Home / 2,091,230.20-3,139,178.10-1,954,178.20

Finding the Fourth Proportional to 2,091,230.20, 3,139,178.10 and 1,954,178.20

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Solution

The fourth proportional to 2,091,230.20, 3,139,178.10 and 1,954,178.20 is: 2,933,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,230.20 : 3,139,178.10 = 1,954,178.20 : x
  2. Step 2: Convert to fraction form
    2,091,230.20/3,139,178.10 = 1,954,178.20/x
  3. Step 3: Cross multiply
    2,091,230.20x = 3,139,178.10 × 1,954,178.20
  4. Step 4: Simplify right side
    2,091,230.20x = 6,134,513,408,937.42
  5. Step 5: Solve for x
    x = 6,134,513,408,937.42/2,091,230.20
  6. Step 6: Final answer
    x = 2,933,447.22

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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.