Home / 3,431,249.21-5,145,115.30-1,812,886.76

Finding the Fourth Proportional to 3,431,249.21, 5,145,115.30 and 1,812,886.76

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Solution

The fourth proportional to 3,431,249.21, 5,145,115.30 and 1,812,886.76 is: 2,718,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,249.21 : 5,145,115.30 = 1,812,886.76 : x
  2. Step 2: Convert to fraction form
    3,431,249.21/5,145,115.30 = 1,812,886.76/x
  3. Step 3: Cross multiply
    3,431,249.21x = 5,145,115.30 × 1,812,886.76
  4. Step 4: Simplify right side
    3,431,249.21x = 9,327,511,414,374
  5. Step 5: Solve for x
    x = 9,327,511,414,374/3,431,249.21
  6. Step 6: Final answer
    x = 2,718,401.04

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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.