Home / 1,538,903.90-2,122,585.92-1,080,120.83

Finding the Fourth Proportional to 1,538,903.90, 2,122,585.92 and 1,080,120.83

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Solution

The fourth proportional to 1,538,903.90, 2,122,585.92 and 1,080,120.83 is: 1,489,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,903.90 : 2,122,585.92 = 1,080,120.83 : x
  2. Step 2: Convert to fraction form
    1,538,903.90/2,122,585.92 = 1,080,120.83/x
  3. Step 3: Cross multiply
    1,538,903.90x = 2,122,585.92 × 1,080,120.83
  4. Step 4: Simplify right side
    1,538,903.90x = 2,292,649,255,043.78
  5. Step 5: Solve for x
    x = 2,292,649,255,043.78/1,538,903.90
  6. Step 6: Final answer
    x = 1,489,793.65

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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.