Home / 2,091,366.40-3,139,123.20-1,027,609.60

Finding the Fourth Proportional to 2,091,366.40, 3,139,123.20 and 1,027,609.60

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Solution

The fourth proportional to 2,091,366.40, 3,139,123.20 and 1,027,609.60 is: 1,542,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,366.40 : 3,139,123.20 = 1,027,609.60 : x
  2. Step 2: Convert to fraction form
    2,091,366.40/3,139,123.20 = 1,027,609.60/x
  3. Step 3: Cross multiply
    2,091,366.40x = 3,139,123.20 × 1,027,609.60
  4. Step 4: Simplify right side
    2,091,366.40x = 3,225,793,135,902.72
  5. Step 5: Solve for x
    x = 3,225,793,135,902.72/2,091,366.40
  6. Step 6: Final answer
    x = 1,542,433.28

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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.