Home / 2,542,340-3,508,432.44-1,396,442.72

Finding the Fourth Proportional to 2,542,340, 3,508,432.44 and 1,396,442.72

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Solution

The fourth proportional to 2,542,340, 3,508,432.44 and 1,396,442.72 is: 1,927,092.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542,340 : 3,508,432.44 = 1,396,442.72 : x
  2. Step 2: Convert to fraction form
    2,542,340/3,508,432.44 = 1,396,442.72/x
  3. Step 3: Cross multiply
    2,542,340x = 3,508,432.44 × 1,396,442.72
  4. Step 4: Simplify right side
    2,542,340x = 4,899,324,939,449.84
  5. Step 5: Solve for x
    x = 4,899,324,939,449.84/2,542,340
  6. Step 6: Final answer
    x = 1,927,092.73

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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.