Home / 6,217,344.20-9,315,706.10-3,781,128.56

Finding the Fourth Proportional to 6,217,344.20, 9,315,706.10 and 3,781,128.56

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Solution

The fourth proportional to 6,217,344.20, 9,315,706.10 and 3,781,128.56 is: 5,665,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217,344.20 : 9,315,706.10 = 3,781,128.56 : x
  2. Step 2: Convert to fraction form
    6,217,344.20/9,315,706.10 = 3,781,128.56/x
  3. Step 3: Cross multiply
    6,217,344.20x = 9,315,706.10 × 3,781,128.56
  4. Step 4: Simplify right side
    6,217,344.20x = 35,223,882,325,792.05
  5. Step 5: Solve for x
    x = 35,223,882,325,792.05/6,217,344.20
  6. Step 6: Final answer
    x = 5,665,422.60

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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.