Finding the Fourth Proportional to 5,755,948.62, 7,943,161.59 and 3,177,574.62
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Solution
The fourth proportional to 5,755,948.62, 7,943,161.59 and 3,177,574.62 is: 4,385,026.75
Step by Step Solution
- Step 1: Write the proportion equation
5,755,948.62 : 7,943,161.59 = 3,177,574.62 : x - Step 2: Convert to fraction form
5,755,948.62/7,943,161.59 = 3,177,574.62/x - Step 3: Cross multiply
5,755,948.62x = 7,943,161.59 × 3,177,574.62 - Step 4: Simplify right side
5,755,948.62x = 25,239,988,670,942.85 - Step 5: Solve for x
x = 25,239,988,670,942.85/5,755,948.62 - Step 6: Final answer
x = 4,385,026.75
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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.