Home / 2,158,974.20-3,238,461.30-663,140.60

Finding the Fourth Proportional to 2,158,974.20, 3,238,461.30 and 663,140.60

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Solution

The fourth proportional to 2,158,974.20, 3,238,461.30 and 663,140.60 is: 994,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,974.20 : 3,238,461.30 = 663,140.60 : x
  2. Step 2: Convert to fraction form
    2,158,974.20/3,238,461.30 = 663,140.60/x
  3. Step 3: Cross multiply
    2,158,974.20x = 3,238,461.30 × 663,140.60
  4. Step 4: Simplify right side
    2,158,974.20x = 2,147,555,169,558.78
  5. Step 5: Solve for x
    x = 2,147,555,169,558.78/2,158,974.20
  6. Step 6: Final answer
    x = 994,710.90

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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.