Home / 3,960,019.20-5,940,028.80-968,203.20

Finding the Fourth Proportional to 3,960,019.20, 5,940,028.80 and 968,203.20

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Solution

The fourth proportional to 3,960,019.20, 5,940,028.80 and 968,203.20 is: 1,452,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,019.20 : 5,940,028.80 = 968,203.20 : x
  2. Step 2: Convert to fraction form
    3,960,019.20/5,940,028.80 = 968,203.20/x
  3. Step 3: Cross multiply
    3,960,019.20x = 5,940,028.80 × 968,203.20
  4. Step 4: Simplify right side
    3,960,019.20x = 5,751,154,892,252.16
  5. Step 5: Solve for x
    x = 5,751,154,892,252.16/3,960,019.20
  6. Step 6: Final answer
    x = 1,452,304.80

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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.