Home / 3,942,170.37-5,439,869.28-2,223,713.25

Finding the Fourth Proportional to 3,942,170.37, 5,439,869.28 and 2,223,713.25

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Solution

The fourth proportional to 3,942,170.37, 5,439,869.28 and 2,223,713.25 is: 3,068,540.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,170.37 : 5,439,869.28 = 2,223,713.25 : x
  2. Step 2: Convert to fraction form
    3,942,170.37/5,439,869.28 = 2,223,713.25/x
  3. Step 3: Cross multiply
    3,942,170.37x = 5,439,869.28 × 2,223,713.25
  4. Step 4: Simplify right side
    3,942,170.37x = 12,096,709,396,203.96
  5. Step 5: Solve for x
    x = 12,096,709,396,203.96/3,942,170.37
  6. Step 6: Final answer
    x = 3,068,540.49

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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.