Home / 2,530,147.30-3,491,642.64-1,384,246.78

Finding the Fourth Proportional to 2,530,147.30, 3,491,642.64 and 1,384,246.78

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Solution

The fourth proportional to 2,530,147.30, 3,491,642.64 and 1,384,246.78 is: 1,910,282.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530,147.30 : 3,491,642.64 = 1,384,246.78 : x
  2. Step 2: Convert to fraction form
    2,530,147.30/3,491,642.64 = 1,384,246.78/x
  3. Step 3: Cross multiply
    2,530,147.30x = 3,491,642.64 × 1,384,246.78
  4. Step 4: Simplify right side
    2,530,147.30x = 4,833,295,081,330.70
  5. Step 5: Solve for x
    x = 4,833,295,081,330.70/2,530,147.30
  6. Step 6: Final answer
    x = 1,910,282.09

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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.