Home / 3,110,940.90-4,667,198.40-867,078.90

Finding the Fourth Proportional to 3,110,940.90, 4,667,198.40 and 867,078.90

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Solution

The fourth proportional to 3,110,940.90, 4,667,198.40 and 867,078.90 is: 1,300,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,940.90 : 4,667,198.40 = 867,078.90 : x
  2. Step 2: Convert to fraction form
    3,110,940.90/4,667,198.40 = 867,078.90/x
  3. Step 3: Cross multiply
    3,110,940.90x = 4,667,198.40 × 867,078.90
  4. Step 4: Simplify right side
    3,110,940.90x = 4,046,829,254,753.76
  5. Step 5: Solve for x
    x = 4,046,829,254,753.76/3,110,940.90
  6. Step 6: Final answer
    x = 1,300,837.72

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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.