Finding the Fourth Proportional to 3,752,423.91, 5,178,900.42 and 2,375,895.36
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Solution
The fourth proportional to 3,752,423.91, 5,178,900.42 and 2,375,895.36 is: 3,279,087.28
Step by Step Solution
- Step 1: Write the proportion equation
3,752,423.91 : 5,178,900.42 = 2,375,895.36 : x - Step 2: Convert to fraction form
3,752,423.91/5,178,900.42 = 2,375,895.36/x - Step 3: Cross multiply
3,752,423.91x = 5,178,900.42 × 2,375,895.36 - Step 4: Simplify right side
3,752,423.91x = 12,304,525,477,780.05 - Step 5: Solve for x
x = 12,304,525,477,780.05/3,752,423.91 - Step 6: Final answer
x = 3,279,087.28
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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.