Home / 3,691,933.20-5,534,789.40-1,919,005.20

Finding the Fourth Proportional to 3,691,933.20, 5,534,789.40 and 1,919,005.20

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Solution

The fourth proportional to 3,691,933.20, 5,534,789.40 and 1,919,005.20 is: 2,876,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691,933.20 : 5,534,789.40 = 1,919,005.20 : x
  2. Step 2: Convert to fraction form
    3,691,933.20/5,534,789.40 = 1,919,005.20/x
  3. Step 3: Cross multiply
    3,691,933.20x = 5,534,789.40 × 1,919,005.20
  4. Step 4: Simplify right side
    3,691,933.20x = 10,621,289,639,504.88
  5. Step 5: Solve for x
    x = 10,621,289,639,504.88/3,691,933.20
  6. Step 6: Final answer
    x = 2,876,891.07

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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.