What is the relationship between gallons and liters in the context of measurement?

The correct answer establishes a direct and widely accepted conversion factor between gallons and liters, which is fundamental in various practical applications, particularly in contexts where liquid volumes are measured, such as cooking, shipping, and scientific research. Specifically, 1 gallon is equivalent to approximately 3.785 liters in the US measurement system. This relationship stems from standard definitions used in both the US customary system and the metric system.

Understanding this conversion is vital because it allows for accurate translation between these two common units of measurement, enabling individuals to use the correct amount of liquids, whether they are working in different countries or dealing with products measured in different units. The conversion from gallons to liters allows for seamless communication in industries such as trade, where precise measurements are crucial for compliance and quality control.

The other choices represent different figures that do not accurately reflect the established relationship between gallons and liters. Option A slightly overstates the conversion factor, while option C corresponds to the British gallon, which is larger than the U.S. gallon. Option D presents an implausibly large number, far exceeding the actual conversion ratio, which would not be relevant in practical scenarios. Understanding the precise conversion allows individuals and industries to function effectively across various global standards of measurement.