Home / 2,687,412.38-3,708,629.12-1,480,188.38

Finding the Fourth Proportional to 2,687,412.38, 3,708,629.12 and 1,480,188.38

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Solution

The fourth proportional to 2,687,412.38, 3,708,629.12 and 1,480,188.38 is: 2,042,659.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,412.38 : 3,708,629.12 = 1,480,188.38 : x
  2. Step 2: Convert to fraction form
    2,687,412.38/3,708,629.12 = 1,480,188.38/x
  3. Step 3: Cross multiply
    2,687,412.38x = 3,708,629.12 × 1,480,188.38
  4. Step 4: Simplify right side
    2,687,412.38x = 5,489,469,714,310.95
  5. Step 5: Solve for x
    x = 5,489,469,714,310.95/2,687,412.38
  6. Step 6: Final answer
    x = 2,042,659.98

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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.