Finding the Fourth Proportional to 5,439,689.10, 8,161,542.45 and 2,245,092.30
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Solution
The fourth proportional to 5,439,689.10, 8,161,542.45 and 2,245,092.30 is: 3,368,467.53
Step by Step Solution
- Step 1: Write the proportion equation
5,439,689.10 : 8,161,542.45 = 2,245,092.30 : x - Step 2: Convert to fraction form
5,439,689.10/8,161,542.45 = 2,245,092.30/x - Step 3: Cross multiply
5,439,689.10x = 8,161,542.45 × 2,245,092.30 - Step 4: Simplify right side
5,439,689.10x = 18,323,416,110,618.13 - Step 5: Solve for x
x = 18,323,416,110,618.13/5,439,689.10 - Step 6: Final answer
x = 3,368,467.53
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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.