Home / 3,778,018.40-5,667,027.60-2,179,758.80

Finding the Fourth Proportional to 3,778,018.40, 5,667,027.60 and 2,179,758.80

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Solution

The fourth proportional to 3,778,018.40, 5,667,027.60 and 2,179,758.80 is: 3,269,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,018.40 : 5,667,027.60 = 2,179,758.80 : x
  2. Step 2: Convert to fraction form
    3,778,018.40/5,667,027.60 = 2,179,758.80/x
  3. Step 3: Cross multiply
    3,778,018.40x = 5,667,027.60 × 2,179,758.80
  4. Step 4: Simplify right side
    3,778,018.40x = 12,352,753,280,942.88
  5. Step 5: Solve for x
    x = 12,352,753,280,942.88/3,778,018.40
  6. Step 6: Final answer
    x = 3,269,638.20

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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.