Home / 2,682,402.40-4,022,221.20-998,639.20

Finding the Fourth Proportional to 2,682,402.40, 4,022,221.20 and 998,639.20

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Solution

The fourth proportional to 2,682,402.40, 4,022,221.20 and 998,639.20 is: 1,497,444.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682,402.40 : 4,022,221.20 = 998,639.20 : x
  2. Step 2: Convert to fraction form
    2,682,402.40/4,022,221.20 = 998,639.20/x
  3. Step 3: Cross multiply
    2,682,402.40x = 4,022,221.20 × 998,639.20
  4. Step 4: Simplify right side
    2,682,402.40x = 4,016,747,761,391.04
  5. Step 5: Solve for x
    x = 4,016,747,761,391.04/2,682,402.40
  6. Step 6: Final answer
    x = 1,497,444.14

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1.5x scale

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.