Finding the Fourth Proportional to 6,508,691.31, 8,982,909.60 and 4,028,707.99
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Solution
The fourth proportional to 6,508,691.31, 8,982,909.60 and 4,028,707.99 is: 5,560,183.75
Step by Step Solution
- Step 1: Write the proportion equation
6,508,691.31 : 8,982,909.60 = 4,028,707.99 : x - Step 2: Convert to fraction form
6,508,691.31/8,982,909.60 = 4,028,707.99/x - Step 3: Cross multiply
6,508,691.31x = 8,982,909.60 × 4,028,707.99 - Step 4: Simplify right side
6,508,691.31x = 36,189,519,678,967.70 - Step 5: Solve for x
x = 36,189,519,678,967.70/6,508,691.31 - Step 6: Final answer
x = 5,560,183.75
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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.