Finding the Fourth Proportional to 4,421,125.14, 6,631,686.45 and 1,226,251.68
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Solution
The fourth proportional to 4,421,125.14, 6,631,686.45 and 1,226,251.68 is: 1,839,377.17
Step by Step Solution
- Step 1: Write the proportion equation
4,421,125.14 : 6,631,686.45 = 1,226,251.68 : x - Step 2: Convert to fraction form
4,421,125.14/6,631,686.45 = 1,226,251.68/x - Step 3: Cross multiply
4,421,125.14x = 6,631,686.45 × 1,226,251.68 - Step 4: Simplify right side
4,421,125.14x = 8,132,116,650,545.74 - Step 5: Solve for x
x = 8,132,116,650,545.74/4,421,125.14 - Step 6: Final answer
x = 1,839,377.17
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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.