Finding the Fourth Proportional to 3,781,737.81, 5,218,831.49 and 2,062,865.97
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Solution
The fourth proportional to 3,781,737.81, 5,218,831.49 and 2,062,865.97 is: 2,846,773.21
Step by Step Solution
- Step 1: Write the proportion equation
3,781,737.81 : 5,218,831.49 = 2,062,865.97 : x - Step 2: Convert to fraction form
3,781,737.81/5,218,831.49 = 2,062,865.97/x - Step 3: Cross multiply
3,781,737.81x = 5,218,831.49 × 2,062,865.97 - Step 4: Simplify right side
3,781,737.81x = 10,765,749,873,571.07 - Step 5: Solve for x
x = 10,765,749,873,571.07/3,781,737.81 - Step 6: Final answer
x = 2,846,773.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.