Finding the Fourth Proportional to 2,123,135.04, 2,929,523.79 and 1,348,891.92
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Solution
The fourth proportional to 2,123,135.04, 2,929,523.79 and 1,348,891.92 is: 1,861,215.09
Step by Step Solution
- Step 1: Write the proportion equation
2,123,135.04 : 2,929,523.79 = 1,348,891.92 : x - Step 2: Convert to fraction form
2,123,135.04/2,929,523.79 = 1,348,891.92/x - Step 3: Cross multiply
2,123,135.04x = 2,929,523.79 × 1,348,891.92 - Step 4: Simplify right side
2,123,135.04x = 3,951,610,969,778.78 - Step 5: Solve for x
x = 3,951,610,969,778.78/2,123,135.04 - Step 6: Final answer
x = 1,861,215.09
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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.