Finding the Fourth Proportional to 1,564,591.62, 2,346,864.14 and 427,351.92
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Solution
The fourth proportional to 1,564,591.62, 2,346,864.14 and 427,351.92 is: 641,021.52
Step by Step Solution
- Step 1: Write the proportion equation
1,564,591.62 : 2,346,864.14 = 427,351.92 : x - Step 2: Convert to fraction form
1,564,591.62/2,346,864.14 = 427,351.92/x - Step 3: Cross multiply
1,564,591.62x = 2,346,864.14 × 427,351.92 - Step 4: Simplify right side
1,564,591.62x = 1,002,936,896,208.15 - Step 5: Solve for x
x = 1,002,936,896,208.15/1,564,591.62 - Step 6: Final answer
x = 641,021.52
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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.