Home / 2,305,477.12-3,451,129.60-1,965,354.88

Finding the Fourth Proportional to 2,305,477.12, 3,451,129.60 and 1,965,354.88

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Solution

The fourth proportional to 2,305,477.12, 3,451,129.60 and 1,965,354.88 is: 2,941,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305,477.12 : 3,451,129.60 = 1,965,354.88 : x
  2. Step 2: Convert to fraction form
    2,305,477.12/3,451,129.60 = 1,965,354.88/x
  3. Step 3: Cross multiply
    2,305,477.12x = 3,451,129.60 × 1,965,354.88
  4. Step 4: Simplify right side
    2,305,477.12x = 6,782,694,400,872.45
  5. Step 5: Solve for x
    x = 6,782,694,400,872.45/2,305,477.12
  6. Step 6: Final answer
    x = 2,941,991.63

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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.