Home / 2,250,123.22-3,105,178.23-1,217,630.90

Finding the Fourth Proportional to 2,250,123.22, 3,105,178.23 and 1,217,630.90

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Solution

The fourth proportional to 2,250,123.22, 3,105,178.23 and 1,217,630.90 is: 1,680,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,123.22 : 3,105,178.23 = 1,217,630.90 : x
  2. Step 2: Convert to fraction form
    2,250,123.22/3,105,178.23 = 1,217,630.90/x
  3. Step 3: Cross multiply
    2,250,123.22x = 3,105,178.23 × 1,217,630.90
  4. Step 4: Simplify right side
    2,250,123.22x = 3,780,960,941,241.26
  5. Step 5: Solve for x
    x = 3,780,960,941,241.26/2,250,123.22
  6. Step 6: Final answer
    x = 1,680,335.06

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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.