Home / 2,445,139.20-3,667,708.80-648,019.20

Finding the Fourth Proportional to 2,445,139.20, 3,667,708.80 and 648,019.20

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Solution

The fourth proportional to 2,445,139.20, 3,667,708.80 and 648,019.20 is: 972,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445,139.20 : 3,667,708.80 = 648,019.20 : x
  2. Step 2: Convert to fraction form
    2,445,139.20/3,667,708.80 = 648,019.20/x
  3. Step 3: Cross multiply
    2,445,139.20x = 3,667,708.80 × 648,019.20
  4. Step 4: Simplify right side
    2,445,139.20x = 2,376,745,722,408.96
  5. Step 5: Solve for x
    x = 2,376,745,722,408.96/2,445,139.20
  6. Step 6: Final answer
    x = 972,028.80

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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.