Home / 3,930,371.60-5,424,018.72-2,211,553.04

Finding the Fourth Proportional to 3,930,371.60, 5,424,018.72 and 2,211,553.04

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Solution

The fourth proportional to 3,930,371.60, 5,424,018.72 and 2,211,553.04 is: 3,052,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,371.60 : 5,424,018.72 = 2,211,553.04 : x
  2. Step 2: Convert to fraction form
    3,930,371.60/5,424,018.72 = 2,211,553.04/x
  3. Step 3: Cross multiply
    3,930,371.60x = 5,424,018.72 × 2,211,553.04
  4. Step 4: Simplify right side
    3,930,371.60x = 11,995,505,089,232.91
  5. Step 5: Solve for x
    x = 11,995,505,089,232.91/3,930,371.60
  6. Step 6: Final answer
    x = 3,052,002.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.