Finding the Fourth Proportional to 3,687,151.20, 5,532,709.68 and 3,552,944.73
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Solution
The fourth proportional to 3,687,151.20, 5,532,709.68 and 3,552,944.73 is: 5,331,327.80
Step by Step Solution
- Step 1: Write the proportion equation
3,687,151.20 : 5,532,709.68 = 3,552,944.73 : x - Step 2: Convert to fraction form
3,687,151.20/5,532,709.68 = 3,552,944.73/x - Step 3: Cross multiply
3,687,151.20x = 5,532,709.68 × 3,552,944.73 - Step 4: Simplify right side
3,687,151.20x = 19,657,411,700,175.98 - Step 5: Solve for x
x = 19,657,411,700,175.98/3,687,151.20 - Step 6: Final answer
x = 5,331,327.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.