Home / 2,081,229.20-3,120,288.60-1,135,667.60

Finding the Fourth Proportional to 2,081,229.20, 3,120,288.60 and 1,135,667.60

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Solution

The fourth proportional to 2,081,229.20, 3,120,288.60 and 1,135,667.60 is: 1,702,652.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,229.20 : 3,120,288.60 = 1,135,667.60 : x
  2. Step 2: Convert to fraction form
    2,081,229.20/3,120,288.60 = 1,135,667.60/x
  3. Step 3: Cross multiply
    2,081,229.20x = 3,120,288.60 × 1,135,667.60
  4. Step 4: Simplify right side
    2,081,229.20x = 3,543,610,665,669.36
  5. Step 5: Solve for x
    x = 3,543,610,665,669.36/2,081,229.20
  6. Step 6: Final answer
    x = 1,702,652.77

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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.