Finding the Fourth Proportional to 5,578,757.38, 8,363,524.47 and 2,119,781.14
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Solution
The fourth proportional to 5,578,757.38, 8,363,524.47 and 2,119,781.14 is: 3,177,919.42
Step by Step Solution
- Step 1: Write the proportion equation
5,578,757.38 : 8,363,524.47 = 2,119,781.14 : x - Step 2: Convert to fraction form
5,578,757.38/8,363,524.47 = 2,119,781.14/x - Step 3: Cross multiply
5,578,757.38x = 8,363,524.47 × 2,119,781.14 - Step 4: Simplify right side
5,578,757.38x = 17,728,841,435,434.50 - Step 5: Solve for x
x = 17,728,841,435,434.50/5,578,757.38 - Step 6: Final answer
x = 3,177,919.42
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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.