Finding the Fourth Proportional to 7,979,589.11, 11,971,064.92 and 2,587,819.11
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Solution
The fourth proportional to 7,979,589.11, 11,971,064.92 and 2,587,819.11 is: 3,882,273.90
Step by Step Solution
- Step 1: Write the proportion equation
7,979,589.11 : 11,971,064.92 = 2,587,819.11 : x - Step 2: Convert to fraction form
7,979,589.11/11,971,064.92 = 2,587,819.11/x - Step 3: Cross multiply
7,979,589.11x = 11,971,064.92 × 2,587,819.11 - Step 4: Simplify right side
7,979,589.11x = 30,978,950,494,232.20 - Step 5: Solve for x
x = 30,978,950,494,232.20/7,979,589.11 - Step 6: Final answer
x = 3,882,273.90
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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.