Home / 3,371,638.70-5,057,458.05-2,981,915.30

Finding the Fourth Proportional to 3,371,638.70, 5,057,458.05 and 2,981,915.30

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Solution

The fourth proportional to 3,371,638.70, 5,057,458.05 and 2,981,915.30 is: 4,472,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371,638.70 : 5,057,458.05 = 2,981,915.30 : x
  2. Step 2: Convert to fraction form
    3,371,638.70/5,057,458.05 = 2,981,915.30/x
  3. Step 3: Cross multiply
    3,371,638.70x = 5,057,458.05 × 2,981,915.30
  4. Step 4: Simplify right side
    3,371,638.70x = 15,080,911,538,403.16
  5. Step 5: Solve for x
    x = 15,080,911,538,403.16/3,371,638.70
  6. Step 6: Final answer
    x = 4,472,872.95

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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.