Home / 3,919,505.38-5,873,744.40-3,117,226.30

Finding the Fourth Proportional to 3,919,505.38, 5,873,744.40 and 3,117,226.30

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Solution

The fourth proportional to 3,919,505.38, 5,873,744.40 and 3,117,226.30 is: 4,671,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,505.38 : 5,873,744.40 = 3,117,226.30 : x
  2. Step 2: Convert to fraction form
    3,919,505.38/5,873,744.40 = 3,117,226.30/x
  3. Step 3: Cross multiply
    3,919,505.38x = 5,873,744.40 × 3,117,226.30
  4. Step 4: Simplify right side
    3,919,505.38x = 18,309,790,523,157.72
  5. Step 5: Solve for x
    x = 18,309,790,523,157.72/3,919,505.38
  6. Step 6: Final answer
    x = 4,671,454.37

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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.