Home / 2,128,869.60-3,193,304.40-1,373,042.40

Finding the Fourth Proportional to 2,128,869.60, 3,193,304.40 and 1,373,042.40

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Solution

The fourth proportional to 2,128,869.60, 3,193,304.40 and 1,373,042.40 is: 2,059,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,869.60 : 3,193,304.40 = 1,373,042.40 : x
  2. Step 2: Convert to fraction form
    2,128,869.60/3,193,304.40 = 1,373,042.40/x
  3. Step 3: Cross multiply
    2,128,869.60x = 3,193,304.40 × 1,373,042.40
  4. Step 4: Simplify right side
    2,128,869.60x = 4,384,542,337,306.56
  5. Step 5: Solve for x
    x = 4,384,542,337,306.56/2,128,869.60
  6. Step 6: Final answer
    x = 2,059,563.60

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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.