Finding the Fourth Proportional to 3,960,680.99, 5,941,948.01 and 1,228,084.62
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Solution
The fourth proportional to 3,960,680.99, 5,941,948.01 and 1,228,084.62 is: 1,842,414.22
Step by Step Solution
- Step 1: Write the proportion equation
3,960,680.99 : 5,941,948.01 = 1,228,084.62 : x - Step 2: Convert to fraction form
3,960,680.99/5,941,948.01 = 1,228,084.62/x - Step 3: Cross multiply
3,960,680.99x = 5,941,948.01 × 1,228,084.62 - Step 4: Simplify right side
3,960,680.99x = 7,297,214,957,780.18 - Step 5: Solve for x
x = 7,297,214,957,780.18/3,960,680.99 - Step 6: Final answer
x = 1,842,414.22
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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.