Finding the Fourth Proportional to 3,687,708.87, 5,532,375.74 and 1,128,943.17
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Solution
The fourth proportional to 3,687,708.87, 5,532,375.74 and 1,128,943.17 is: 1,693,663.47
Step by Step Solution
- Step 1: Write the proportion equation
3,687,708.87 : 5,532,375.74 = 1,128,943.17 : x - Step 2: Convert to fraction form
3,687,708.87/5,532,375.74 = 1,128,943.17/x - Step 3: Cross multiply
3,687,708.87x = 5,532,375.74 × 1,128,943.17 - Step 4: Simplify right side
3,687,708.87x = 6,245,737,799,901.98 - Step 5: Solve for x
x = 6,245,737,799,901.98/3,687,708.87 - Step 6: Final answer
x = 1,693,663.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.