Finding the Fourth Proportional to 4,238,772.70, 6,358,547.85 and 1,398,891.10
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Solution
The fourth proportional to 4,238,772.70, 6,358,547.85 and 1,398,891.10 is: 2,098,464.96
Step by Step Solution
- Step 1: Write the proportion equation
4,238,772.70 : 6,358,547.85 = 1,398,891.10 : x - Step 2: Convert to fraction form
4,238,772.70/6,358,547.85 = 1,398,891.10/x - Step 3: Cross multiply
4,238,772.70x = 6,358,547.85 × 1,398,891.10 - Step 4: Simplify right side
4,238,772.70x = 8,894,915,996,289.14 - Step 5: Solve for x
x = 8,894,915,996,289.14/4,238,772.70 - Step 6: Final answer
x = 2,098,464.96
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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.