Finding the Fourth Proportional to 3,418,166.14, 4,715,644.53 and 1,967,514.46
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Solution
The fourth proportional to 3,418,166.14, 4,715,644.53 and 1,967,514.46 is: 2,714,349.87
Step by Step Solution
- Step 1: Write the proportion equation
3,418,166.14 : 4,715,644.53 = 1,967,514.46 : x - Step 2: Convert to fraction form
3,418,166.14/4,715,644.53 = 1,967,514.46/x - Step 3: Cross multiply
3,418,166.14x = 4,715,644.53 × 1,967,514.46 - Step 4: Simplify right side
3,418,166.14x = 9,278,098,800,994.90 - Step 5: Solve for x
x = 9,278,098,800,994.90/3,418,166.14 - Step 6: Final answer
x = 2,714,349.87
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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.