Finding the Fourth Proportional to 2,785,324.75, 4,177,987.17 and 1,838,474.02
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Solution
The fourth proportional to 2,785,324.75, 4,177,987.17 and 1,838,474.02 is: 2,757,711.06
Step by Step Solution
- Step 1: Write the proportion equation
2,785,324.75 : 4,177,987.17 = 1,838,474.02 : x - Step 2: Convert to fraction form
2,785,324.75/4,177,987.17 = 1,838,474.02/x - Step 3: Cross multiply
2,785,324.75x = 4,177,987.17 × 1,838,474.02 - Step 4: Simplify right side
2,785,324.75x = 7,681,120,867,938.32 - Step 5: Solve for x
x = 7,681,120,867,938.32/2,785,324.75 - Step 6: Final answer
x = 2,757,711.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.