Home / 2,276,149.12-3,140,818.08-1,257,493.12

Finding the Fourth Proportional to 2,276,149.12, 3,140,818.08 and 1,257,493.12

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Solution

The fourth proportional to 2,276,149.12, 3,140,818.08 and 1,257,493.12 is: 1,735,192.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276,149.12 : 3,140,818.08 = 1,257,493.12 : x
  2. Step 2: Convert to fraction form
    2,276,149.12/3,140,818.08 = 1,257,493.12/x
  3. Step 3: Cross multiply
    2,276,149.12x = 3,140,818.08 × 1,257,493.12
  4. Step 4: Simplify right side
    2,276,149.12x = 3,949,557,126,771.61
  5. Step 5: Solve for x
    x = 3,949,557,126,771.61/2,276,149.12
  6. Step 6: Final answer
    x = 1,735,192.61

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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.