Home / 2,723,731.60-4,087,930.20-1,209,744.40

Finding the Fourth Proportional to 2,723,731.60, 4,087,930.20 and 1,209,744.40

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Solution

The fourth proportional to 2,723,731.60, 4,087,930.20 and 1,209,744.40 is: 1,815,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723,731.60 : 4,087,930.20 = 1,209,744.40 : x
  2. Step 2: Convert to fraction form
    2,723,731.60/4,087,930.20 = 1,209,744.40/x
  3. Step 3: Cross multiply
    2,723,731.60x = 4,087,930.20 × 1,209,744.40
  4. Step 4: Simplify right side
    2,723,731.60x = 4,945,350,667,040.88
  5. Step 5: Solve for x
    x = 4,945,350,667,040.88/2,723,731.60
  6. Step 6: Final answer
    x = 1,815,652.71

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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.