Home / 3,942,374.88-5,914,291.72-1,247,378.52

Finding the Fourth Proportional to 3,942,374.88, 5,914,291.72 and 1,247,378.52

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Solution

The fourth proportional to 3,942,374.88, 5,914,291.72 and 1,247,378.52 is: 1,871,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,374.88 : 5,914,291.72 = 1,247,378.52 : x
  2. Step 2: Convert to fraction form
    3,942,374.88/5,914,291.72 = 1,247,378.52/x
  3. Step 3: Cross multiply
    3,942,374.88x = 5,914,291.72 × 1,247,378.52
  4. Step 4: Simplify right side
    3,942,374.88x = 7,377,360,452,541.86
  5. Step 5: Solve for x
    x = 7,377,360,452,541.86/3,942,374.88
  6. Step 6: Final answer
    x = 1,871,298.56

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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.