Finding the Fourth Proportional to 2,656,462.40, 3,984,175.20 and 858,910.40
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Solution
The fourth proportional to 2,656,462.40, 3,984,175.20 and 858,910.40 is: 1,288,197.99
Step by Step Solution
- Step 1: Write the proportion equation
2,656,462.40 : 3,984,175.20 = 858,910.40 : x - Step 2: Convert to fraction form
2,656,462.40/3,984,175.20 = 858,910.40/x - Step 3: Cross multiply
2,656,462.40x = 3,984,175.20 × 858,910.40 - Step 4: Simplify right side
2,656,462.40x = 3,422,049,514,702.08 - Step 5: Solve for x
x = 3,422,049,514,702.08/2,656,462.40 - Step 6: Final answer
x = 1,288,197.99
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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.