Home / 3,780,921.96-5,217,464.88-2,149,102.44

Finding the Fourth Proportional to 3,780,921.96, 5,217,464.88 and 2,149,102.44

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Solution

The fourth proportional to 3,780,921.96, 5,217,464.88 and 2,149,102.44 is: 2,965,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,921.96 : 5,217,464.88 = 2,149,102.44 : x
  2. Step 2: Convert to fraction form
    3,780,921.96/5,217,464.88 = 2,149,102.44/x
  3. Step 3: Cross multiply
    3,780,921.96x = 5,217,464.88 × 2,149,102.44
  4. Step 4: Simplify right side
    3,780,921.96x = 11,212,866,504,222.31
  5. Step 5: Solve for x
    x = 11,212,866,504,222.31/3,780,921.96
  6. Step 6: Final answer
    x = 2,965,643.47

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Double scale
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1.5x scale

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.