Finding the Fourth Proportional to 3,901,911.95, 5,384,273.68 and 2,331,732.19
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Solution
The fourth proportional to 3,901,911.95, 5,384,273.68 and 2,331,732.19 is: 3,217,572.41
Step by Step Solution
- Step 1: Write the proportion equation
3,901,911.95 : 5,384,273.68 = 2,331,732.19 : x - Step 2: Convert to fraction form
3,901,911.95/5,384,273.68 = 2,331,732.19/x - Step 3: Cross multiply
3,901,911.95x = 5,384,273.68 × 2,331,732.19 - Step 4: Simplify right side
3,901,911.95x = 12,554,684,234,306.41 - Step 5: Solve for x
x = 12,554,684,234,306.41/3,901,911.95 - Step 6: Final answer
x = 3,217,572.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.