Finding the Fourth Proportional to 1,542,447.16, 2,128,598.82 and 888,711.88
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Solution
The fourth proportional to 1,542,447.16, 2,128,598.82 and 888,711.88 is: 1,226,434.92
Step by Step Solution
- Step 1: Write the proportion equation
1,542,447.16 : 2,128,598.82 = 888,711.88 : x - Step 2: Convert to fraction form
1,542,447.16/2,128,598.82 = 888,711.88/x - Step 3: Cross multiply
1,542,447.16x = 2,128,598.82 × 888,711.88 - Step 4: Simplify right side
1,542,447.16x = 1,891,711,059,087.98 - Step 5: Solve for x
x = 1,891,711,059,087.98/1,542,447.16 - Step 6: Final answer
x = 1,226,434.92
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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.