Home / 3,178,248.40-4,767,372.60-2,221,654.60

Finding the Fourth Proportional to 3,178,248.40, 4,767,372.60 and 2,221,654.60

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Solution

The fourth proportional to 3,178,248.40, 4,767,372.60 and 2,221,654.60 is: 3,332,481.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,248.40 : 4,767,372.60 = 2,221,654.60 : x
  2. Step 2: Convert to fraction form
    3,178,248.40/4,767,372.60 = 2,221,654.60/x
  3. Step 3: Cross multiply
    3,178,248.40x = 4,767,372.60 × 2,221,654.60
  4. Step 4: Simplify right side
    3,178,248.40x = 10,591,455,266,703.96
  5. Step 5: Solve for x
    x = 10,591,455,266,703.96/3,178,248.40
  6. Step 6: Final answer
    x = 3,332,481.90

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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.