Finding the Fourth Proportional to 2,138,524.96, 2,951,164.36 and 1,171,691.92
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Solution
The fourth proportional to 2,138,524.96, 2,951,164.36 and 1,171,691.92 is: 1,616,934.80
Step by Step Solution
- Step 1: Write the proportion equation
2,138,524.96 : 2,951,164.36 = 1,171,691.92 : x - Step 2: Convert to fraction form
2,138,524.96/2,951,164.36 = 1,171,691.92/x - Step 3: Cross multiply
2,138,524.96x = 2,951,164.36 × 1,171,691.92 - Step 4: Simplify right side
2,138,524.96x = 3,457,855,435,203.97 - Step 5: Solve for x
x = 3,457,855,435,203.97/2,138,524.96 - Step 6: Final answer
x = 1,616,934.80
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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.