Home / 2,250,178.38-3,105,126.99-1,231,386.30

Finding the Fourth Proportional to 2,250,178.38, 3,105,126.99 and 1,231,386.30

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Solution

The fourth proportional to 2,250,178.38, 3,105,126.99 and 1,231,386.30 is: 1,699,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,178.38 : 3,105,126.99 = 1,231,386.30 : x
  2. Step 2: Convert to fraction form
    2,250,178.38/3,105,126.99 = 1,231,386.30/x
  3. Step 3: Cross multiply
    2,250,178.38x = 3,105,126.99 × 1,231,386.30
  4. Step 4: Simplify right side
    2,250,178.38x = 3,823,610,835,246.24
  5. Step 5: Solve for x
    x = 3,823,610,835,246.24/2,250,178.38
  6. Step 6: Final answer
    x = 1,699,247.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.