Finding the Fourth Proportional to 5,214,687.90, 7,812,700.65 and 4,412,204.70
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Solution
The fourth proportional to 5,214,687.90, 7,812,700.65 and 4,412,204.70 is: 6,610,411.82
Step by Step Solution
- Step 1: Write the proportion equation
5,214,687.90 : 7,812,700.65 = 4,412,204.70 : x - Step 2: Convert to fraction form
5,214,687.90/7,812,700.65 = 4,412,204.70/x - Step 3: Cross multiply
5,214,687.90x = 7,812,700.65 × 4,412,204.70 - Step 4: Simplify right side
5,214,687.90x = 34,471,234,527,623.06 - Step 5: Solve for x
x = 34,471,234,527,623.06/5,214,687.90 - Step 6: Final answer
x = 6,610,411.82
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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.