Home / 2,491,308.55-3,438,005.79-1,345,388.83

Finding the Fourth Proportional to 2,491,308.55, 3,438,005.79 and 1,345,388.83

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Solution

The fourth proportional to 2,491,308.55, 3,438,005.79 and 1,345,388.83 is: 1,856,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491,308.55 : 3,438,005.79 = 1,345,388.83 : x
  2. Step 2: Convert to fraction form
    2,491,308.55/3,438,005.79 = 1,345,388.83/x
  3. Step 3: Cross multiply
    2,491,308.55x = 3,438,005.79 × 1,345,388.83
  4. Step 4: Simplify right side
    2,491,308.55x = 4,625,454,587,341.33
  5. Step 5: Solve for x
    x = 4,625,454,587,341.33/2,491,308.55
  6. Step 6: Final answer
    x = 1,856,636.58

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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.