Finding the Fourth Proportional to 5,755,949.62, 7,943,162.97 and 3,177,575.62
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Solution
The fourth proportional to 5,755,949.62, 7,943,162.97 and 3,177,575.62 is: 4,385,028.13
Step by Step Solution
- Step 1: Write the proportion equation
5,755,949.62 : 7,943,162.97 = 3,177,575.62 : x - Step 2: Convert to fraction form
5,755,949.62/7,943,162.97 = 3,177,575.62/x - Step 3: Cross multiply
5,755,949.62x = 7,943,162.97 × 3,177,575.62 - Step 4: Simplify right side
5,755,949.62x = 25,240,000,999,158.79 - Step 5: Solve for x
x = 25,240,000,999,158.79/5,755,949.62 - Step 6: Final answer
x = 4,385,028.13
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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.