Finding the Fourth Proportional to 3,672,487.71, 5,067,630.54 and 2,123,514.99
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Solution
The fourth proportional to 3,672,487.71, 5,067,630.54 and 2,123,514.99 is: 2,930,217.95
Step by Step Solution
- Step 1: Write the proportion equation
3,672,487.71 : 5,067,630.54 = 2,123,514.99 : x - Step 2: Convert to fraction form
3,672,487.71/5,067,630.54 = 2,123,514.99/x - Step 3: Cross multiply
3,672,487.71x = 5,067,630.54 × 2,123,514.99 - Step 4: Simplify right side
3,672,487.71x = 10,761,189,415,471.79 - Step 5: Solve for x
x = 10,761,189,415,471.79/3,672,487.71 - Step 6: Final answer
x = 2,930,217.95
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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.