Finding the Fourth Proportional to 5,635,049.92, 7,776,371.41 and 3,187,608.97
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Solution
The fourth proportional to 5,635,049.92, 7,776,371.41 and 3,187,608.97 is: 4,398,901.80
Step by Step Solution
- Step 1: Write the proportion equation
5,635,049.92 : 7,776,371.41 = 3,187,608.97 : x - Step 2: Convert to fraction form
5,635,049.92/7,776,371.41 = 3,187,608.97/x - Step 3: Cross multiply
5,635,049.92x = 7,776,371.41 × 3,187,608.97 - Step 4: Simplify right side
5,635,049.92x = 24,788,031,247,738.29 - Step 5: Solve for x
x = 24,788,031,247,738.29/5,635,049.92 - Step 6: Final answer
x = 4,398,901.80
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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.