Finding the Fourth Proportional to 3,438,193.26, 4,744,734.81 and 2,149,780.53
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Solution
The fourth proportional to 3,438,193.26, 4,744,734.81 and 2,149,780.53 is: 2,966,714.71
Step by Step Solution
- Step 1: Write the proportion equation
3,438,193.26 : 4,744,734.81 = 2,149,780.53 : x - Step 2: Convert to fraction form
3,438,193.26/4,744,734.81 = 2,149,780.53/x - Step 3: Cross multiply
3,438,193.26x = 4,744,734.81 × 2,149,780.53 - Step 4: Simplify right side
3,438,193.26x = 10,200,138,514,551.25 - Step 5: Solve for x
x = 10,200,138,514,551.25/3,438,193.26 - Step 6: Final answer
x = 2,966,714.71
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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.