Finding the Fourth Proportional to 3,607,948.20, 5,411,922.30 and 2,332,489.80
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Solution
The fourth proportional to 3,607,948.20, 5,411,922.30 and 2,332,489.80 is: 3,498,734.70
Step by Step Solution
- Step 1: Write the proportion equation
3,607,948.20 : 5,411,922.30 = 2,332,489.80 : x - Step 2: Convert to fraction form
3,607,948.20/5,411,922.30 = 2,332,489.80/x - Step 3: Cross multiply
3,607,948.20x = 5,411,922.30 × 2,332,489.80 - Step 4: Simplify right side
3,607,948.20x = 12,623,253,563,142.54 - Step 5: Solve for x
x = 12,623,253,563,142.54/3,607,948.20 - Step 6: Final answer
x = 3,498,734.70
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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.