Finding the Fourth Proportional to 4,515,568.98, 6,229,876.50 and 2,678,620.20
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Solution
The fourth proportional to 4,515,568.98, 6,229,876.50 and 2,678,620.20 is: 3,695,541.61
Step by Step Solution
- Step 1: Write the proportion equation
4,515,568.98 : 6,229,876.50 = 2,678,620.20 : x - Step 2: Convert to fraction form
4,515,568.98/6,229,876.50 = 2,678,620.20/x - Step 3: Cross multiply
4,515,568.98x = 6,229,876.50 × 2,678,620.20 - Step 4: Simplify right side
4,515,568.98x = 16,687,473,036,405.30 - Step 5: Solve for x
x = 16,687,473,036,405.30/4,515,568.98 - Step 6: Final answer
x = 3,695,541.61
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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.