Finding the Fourth Proportional to 4,124,156.76, 5,691,324.06 and 2,288,891.52
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Solution
The fourth proportional to 4,124,156.76, 5,691,324.06 and 2,288,891.52 is: 3,158,663.49
Step by Step Solution
- Step 1: Write the proportion equation
4,124,156.76 : 5,691,324.06 = 2,288,891.52 : x - Step 2: Convert to fraction form
4,124,156.76/5,691,324.06 = 2,288,891.52/x - Step 3: Cross multiply
4,124,156.76x = 5,691,324.06 × 2,288,891.52 - Step 4: Simplify right side
4,124,156.76x = 13,026,823,378,505.97 - Step 5: Solve for x
x = 13,026,823,378,505.97/4,124,156.76 - Step 6: Final answer
x = 3,158,663.49
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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.