Home / 2,188,162.92-3,283,710.12-768,223.20

Finding the Fourth Proportional to 2,188,162.92, 3,283,710.12 and 768,223.20

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Solution

The fourth proportional to 2,188,162.92, 3,283,710.12 and 768,223.20 is: 1,152,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,162.92 : 3,283,710.12 = 768,223.20 : x
  2. Step 2: Convert to fraction form
    2,188,162.92/3,283,710.12 = 768,223.20/x
  3. Step 3: Cross multiply
    2,188,162.92x = 3,283,710.12 × 768,223.20
  4. Step 4: Simplify right side
    2,188,162.92x = 2,522,622,296,258.78
  5. Step 5: Solve for x
    x = 2,522,622,296,258.78/2,188,162.92
  6. Step 6: Final answer
    x = 1,152,849.39

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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.