Finding the Fourth Proportional to 3,554,387.76, 4,905,079.02 and 2,177,734.08
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Solution
The fourth proportional to 3,554,387.76, 4,905,079.02 and 2,177,734.08 is: 3,005,287.68
Step by Step Solution
- Step 1: Write the proportion equation
3,554,387.76 : 4,905,079.02 = 2,177,734.08 : x - Step 2: Convert to fraction form
3,554,387.76/4,905,079.02 = 2,177,734.08/x - Step 3: Cross multiply
3,554,387.76x = 4,905,079.02 × 2,177,734.08 - Step 4: Simplify right side
3,554,387.76x = 10,681,957,746,947.00 - Step 5: Solve for x
x = 10,681,957,746,947.00/3,554,387.76 - Step 6: Final answer
x = 3,005,287.68
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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.