Finding the Fourth Proportional to 3,278,034.80, 4,917,052.20 and 2,746,593.80
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Solution
The fourth proportional to 3,278,034.80, 4,917,052.20 and 2,746,593.80 is: 4,119,890.70
Step by Step Solution
- Step 1: Write the proportion equation
3,278,034.80 : 4,917,052.20 = 2,746,593.80 : x - Step 2: Convert to fraction form
3,278,034.80/4,917,052.20 = 2,746,593.80/x - Step 3: Cross multiply
3,278,034.80x = 4,917,052.20 × 2,746,593.80 - Step 4: Simplify right side
3,278,034.80x = 13,505,145,086,796.36 - Step 5: Solve for x
x = 13,505,145,086,796.36/3,278,034.80 - Step 6: Final answer
x = 4,119,890.70
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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.