Home / 2,081,311.20-3,120,411.60-1,135,749.60

Finding the Fourth Proportional to 2,081,311.20, 3,120,411.60 and 1,135,749.60

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Solution

The fourth proportional to 2,081,311.20, 3,120,411.60 and 1,135,749.60 is: 1,702,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,311.20 : 3,120,411.60 = 1,135,749.60 : x
  2. Step 2: Convert to fraction form
    2,081,311.20/3,120,411.60 = 1,135,749.60/x
  3. Step 3: Cross multiply
    2,081,311.20x = 3,120,411.60 × 1,135,749.60
  4. Step 4: Simplify right side
    2,081,311.20x = 3,544,006,226,535.36
  5. Step 5: Solve for x
    x = 3,544,006,226,535.36/2,081,311.20
  6. Step 6: Final answer
    x = 1,702,775.74

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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.