Home / 3,208,116.78-4,812,175.17-1,078,200.90

Finding the Fourth Proportional to 3,208,116.78, 4,812,175.17 and 1,078,200.90

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Solution

The fourth proportional to 3,208,116.78, 4,812,175.17 and 1,078,200.90 is: 1,617,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,116.78 : 4,812,175.17 = 1,078,200.90 : x
  2. Step 2: Convert to fraction form
    3,208,116.78/4,812,175.17 = 1,078,200.90/x
  3. Step 3: Cross multiply
    3,208,116.78x = 4,812,175.17 × 1,078,200.90
  4. Step 4: Simplify right side
    3,208,116.78x = 5,188,491,599,251.65
  5. Step 5: Solve for x
    x = 5,188,491,599,251.65/3,208,116.78
  6. Step 6: Final answer
    x = 1,617,301.35

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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.