Finding the Fourth Proportional to 2,542,043.52, 3,508,191.81 and 1,396,135.71
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Solution
The fourth proportional to 2,542,043.52, 3,508,191.81 and 1,396,135.71 is: 1,926,761.61
Step by Step Solution
- Step 1: Write the proportion equation
2,542,043.52 : 3,508,191.81 = 1,396,135.71 : x - Step 2: Convert to fraction form
2,542,043.52/3,508,191.81 = 1,396,135.71/x - Step 3: Cross multiply
2,542,043.52x = 3,508,191.81 × 1,396,135.71 - Step 4: Simplify right side
2,542,043.52x = 4,897,911,863,470.54 - Step 5: Solve for x
x = 4,897,911,863,470.54/2,542,043.52 - Step 6: Final answer
x = 1,926,761.61
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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.