Home / 2,081,215.20-3,120,267.60-1,135,653.60

Finding the Fourth Proportional to 2,081,215.20, 3,120,267.60 and 1,135,653.60

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Solution

The fourth proportional to 2,081,215.20, 3,120,267.60 and 1,135,653.60 is: 1,702,631.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,215.20 : 3,120,267.60 = 1,135,653.60 : x
  2. Step 2: Convert to fraction form
    2,081,215.20/3,120,267.60 = 1,135,653.60/x
  3. Step 3: Cross multiply
    2,081,215.20x = 3,120,267.60 × 1,135,653.60
  4. Step 4: Simplify right side
    2,081,215.20x = 3,543,543,132,903.36
  5. Step 5: Solve for x
    x = 3,543,543,132,903.36/2,081,215.20
  6. Step 6: Final answer
    x = 1,702,631.78

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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.