Finding the Fourth Proportional to 3,899,594.48, 5,382,793.24 and 2,679,937.38
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Solution
The fourth proportional to 3,899,594.48, 5,382,793.24 and 2,679,937.38 is: 3,699,243.32
Step by Step Solution
- Step 1: Write the proportion equation
3,899,594.48 : 5,382,793.24 = 2,679,937.38 : x - Step 2: Convert to fraction form
3,899,594.48/5,382,793.24 = 2,679,937.38/x - Step 3: Cross multiply
3,899,594.48x = 5,382,793.24 × 2,679,937.38 - Step 4: Simplify right side
3,899,594.48x = 14,425,548,805,987.47 - Step 5: Solve for x
x = 14,425,548,805,987.47/3,899,594.48 - Step 6: Final answer
x = 3,699,243.32
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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.