Home / 2,120,354.92-3,179,858.46-700,146.28

Finding the Fourth Proportional to 2,120,354.92, 3,179,858.46 and 700,146.28

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Solution

The fourth proportional to 2,120,354.92, 3,179,858.46 and 700,146.28 is: 1,049,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,354.92 : 3,179,858.46 = 700,146.28 : x
  2. Step 2: Convert to fraction form
    2,120,354.92/3,179,858.46 = 700,146.28/x
  3. Step 3: Cross multiply
    2,120,354.92x = 3,179,858.46 × 700,146.28
  4. Step 4: Simplify right side
    2,120,354.92x = 2,226,366,071,695.53
  5. Step 5: Solve for x
    x = 2,226,366,071,695.53/2,120,354.92
  6. Step 6: Final answer
    x = 1,049,996.89

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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.