Home / 3,121,401.60-4,682,102.40-1,840,694.40

Finding the Fourth Proportional to 3,121,401.60, 4,682,102.40 and 1,840,694.40

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Solution

The fourth proportional to 3,121,401.60, 4,682,102.40 and 1,840,694.40 is: 2,761,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,401.60 : 4,682,102.40 = 1,840,694.40 : x
  2. Step 2: Convert to fraction form
    3,121,401.60/4,682,102.40 = 1,840,694.40/x
  3. Step 3: Cross multiply
    3,121,401.60x = 4,682,102.40 × 1,840,694.40
  4. Step 4: Simplify right side
    3,121,401.60x = 8,618,319,667,906.56
  5. Step 5: Solve for x
    x = 8,618,319,667,906.56/3,121,401.60
  6. Step 6: Final answer
    x = 2,761,041.60

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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.