Finding the Fourth Proportional to 4,319,542.22, 6,479,700.72 and 1,124,696.10
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Solution
The fourth proportional to 4,319,542.22, 6,479,700.72 and 1,124,696.10 is: 1,687,145.02
Step by Step Solution
- Step 1: Write the proportion equation
4,319,542.22 : 6,479,700.72 = 1,124,696.10 : x - Step 2: Convert to fraction form
4,319,542.22/6,479,700.72 = 1,124,696.10/x - Step 3: Cross multiply
4,319,542.22x = 6,479,700.72 × 1,124,696.10 - Step 4: Simplify right side
4,319,542.22x = 7,287,694,128,951.19 - Step 5: Solve for x
x = 7,287,694,128,951.19/4,319,542.22 - Step 6: Final answer
x = 1,687,145.02
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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.