Finding the Fourth Proportional to 4,471,877.72, 6,171,748.92 and 2,538,764.12
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Solution
The fourth proportional to 4,471,877.72, 6,171,748.92 and 2,538,764.12 is: 3,503,811.08
Step by Step Solution
- Step 1: Write the proportion equation
4,471,877.72 : 6,171,748.92 = 2,538,764.12 : x - Step 2: Convert to fraction form
4,471,877.72/6,171,748.92 = 2,538,764.12/x - Step 3: Cross multiply
4,471,877.72x = 6,171,748.92 × 2,538,764.12 - Step 4: Simplify right side
4,471,877.72x = 15,668,614,715,744.75 - Step 5: Solve for x
x = 15,668,614,715,744.75/4,471,877.72 - Step 6: Final answer
x = 3,503,811.08
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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.