Home / 3,120,122.40-4,672,310.40-2,490,266.40

Finding the Fourth Proportional to 3,120,122.40, 4,672,310.40 and 2,490,266.40

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Solution

The fourth proportional to 3,120,122.40, 4,672,310.40 and 2,490,266.40 is: 3,729,115.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,122.40 : 4,672,310.40 = 2,490,266.40 : x
  2. Step 2: Convert to fraction form
    3,120,122.40/4,672,310.40 = 2,490,266.40/x
  3. Step 3: Cross multiply
    3,120,122.40x = 4,672,310.40 × 2,490,266.40
  4. Step 4: Simplify right side
    3,120,122.40x = 11,635,297,599,490.56
  5. Step 5: Solve for x
    x = 11,635,297,599,490.56/3,120,122.40
  6. Step 6: Final answer
    x = 3,729,115.76

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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.