Home / 2,288,258.60-3,428,451.30-1,489,128.80

Finding the Fourth Proportional to 2,288,258.60, 3,428,451.30 and 1,489,128.80

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Solution

The fourth proportional to 2,288,258.60, 3,428,451.30 and 1,489,128.80 is: 2,231,131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288,258.60 : 3,428,451.30 = 1,489,128.80 : x
  2. Step 2: Convert to fraction form
    2,288,258.60/3,428,451.30 = 1,489,128.80/x
  3. Step 3: Cross multiply
    2,288,258.60x = 3,428,451.30 × 1,489,128.80
  4. Step 4: Simplify right side
    2,288,258.60x = 5,105,405,570,227.44
  5. Step 5: Solve for x
    x = 5,105,405,570,227.44/2,288,258.60
  6. Step 6: Final answer
    x = 2,231,131.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.