Home / 3,942,372.87-5,914,288.71-1,247,376.51

Finding the Fourth Proportional to 3,942,372.87, 5,914,288.71 and 1,247,376.51

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Solution

The fourth proportional to 3,942,372.87, 5,914,288.71 and 1,247,376.51 is: 1,871,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,372.87 : 5,914,288.71 = 1,247,376.51 : x
  2. Step 2: Convert to fraction form
    3,942,372.87/5,914,288.71 = 1,247,376.51/x
  3. Step 3: Cross multiply
    3,942,372.87x = 5,914,288.71 × 1,247,376.51
  4. Step 4: Simplify right side
    3,942,372.87x = 7,377,344,810,212.20
  5. Step 5: Solve for x
    x = 7,377,344,810,212.20/3,942,372.87
  6. Step 6: Final answer
    x = 1,871,295.55

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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.