Finding the Fourth Proportional to 6,508,695.12, 8,982,914.87 and 4,028,711.80
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Solution
The fourth proportional to 6,508,695.12, 8,982,914.87 and 4,028,711.80 is: 5,560,189.02
Step by Step Solution
- Step 1: Write the proportion equation
6,508,695.12 : 8,982,914.87 = 4,028,711.80 : x - Step 2: Convert to fraction form
6,508,695.12/8,982,914.87 = 4,028,711.80/x - Step 3: Cross multiply
6,508,695.12x = 8,982,914.87 × 4,028,711.80 - Step 4: Simplify right side
6,508,695.12x = 36,189,575,115,020.91 - Step 5: Solve for x
x = 36,189,575,115,020.91/6,508,695.12 - Step 6: Final answer
x = 5,560,189.02
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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.