Finding the Fourth Proportional to 1,721,242.26, 2,375,398.44 and 957,279.42
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Solution
The fourth proportional to 1,721,242.26, 2,375,398.44 and 957,279.42 is: 1,321,092.38
Step by Step Solution
- Step 1: Write the proportion equation
1,721,242.26 : 2,375,398.44 = 957,279.42 : x - Step 2: Convert to fraction form
1,721,242.26/2,375,398.44 = 957,279.42/x - Step 3: Cross multiply
1,721,242.26x = 2,375,398.44 × 957,279.42 - Step 4: Simplify right side
1,721,242.26x = 2,273,920,040,912.11 - Step 5: Solve for x
x = 2,273,920,040,912.11/1,721,242.26 - Step 6: Final answer
x = 1,321,092.38
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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.