Home / 2,142,850.62-3,214,079.09-722,919

Finding the Fourth Proportional to 2,142,850.62, 3,214,079.09 and 722,919

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Solution

The fourth proportional to 2,142,850.62, 3,214,079.09 and 722,919 is: 1,084,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,850.62 : 3,214,079.09 = 722,919 : x
  2. Step 2: Convert to fraction form
    2,142,850.62/3,214,079.09 = 722,919/x
  3. Step 3: Cross multiply
    2,142,850.62x = 3,214,079.09 × 722,919
  4. Step 4: Simplify right side
    2,142,850.62x = 2,323,518,838,049.11
  5. Step 5: Solve for x
    x = 2,323,518,838,049.11/2,142,850.62
  6. Step 6: Final answer
    x = 1,084,312.09

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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.