Home / 2,389,925.58-3,578,984.85-1,781,253.90

Finding the Fourth Proportional to 2,389,925.58, 3,578,984.85 and 1,781,253.90

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Solution

The fourth proportional to 2,389,925.58, 3,578,984.85 and 1,781,253.90 is: 2,667,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,925.58 : 3,578,984.85 = 1,781,253.90 : x
  2. Step 2: Convert to fraction form
    2,389,925.58/3,578,984.85 = 1,781,253.90/x
  3. Step 3: Cross multiply
    2,389,925.58x = 3,578,984.85 × 1,781,253.90
  4. Step 4: Simplify right side
    2,389,925.58x = 6,375,080,722,103.42
  5. Step 5: Solve for x
    x = 6,375,080,722,103.42/2,389,925.58
  6. Step 6: Final answer
    x = 2,667,480.85

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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.