Finding the Fourth Proportional to 5,721,229.74, 8,581,711.77 and 2,880,579.18
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Solution
The fourth proportional to 5,721,229.74, 8,581,711.77 and 2,880,579.18 is: 4,320,801.89
Step by Step Solution
- Step 1: Write the proportion equation
5,721,229.74 : 8,581,711.77 = 2,880,579.18 : x - Step 2: Convert to fraction form
5,721,229.74/8,581,711.77 = 2,880,579.18/x - Step 3: Cross multiply
5,721,229.74x = 8,581,711.77 × 2,880,579.18 - Step 4: Simplify right side
5,721,229.74x = 24,720,300,253,422.95 - Step 5: Solve for x
x = 24,720,300,253,422.95/5,721,229.74 - Step 6: Final answer
x = 4,320,801.89
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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.