Home / 2,885,644.60-4,327,446.30-991,945.60

Finding the Fourth Proportional to 2,885,644.60, 4,327,446.30 and 991,945.60

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Solution

The fourth proportional to 2,885,644.60, 4,327,446.30 and 991,945.60 is: 1,487,567.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,644.60 : 4,327,446.30 = 991,945.60 : x
  2. Step 2: Convert to fraction form
    2,885,644.60/4,327,446.30 = 991,945.60/x
  3. Step 3: Cross multiply
    2,885,644.60x = 4,327,446.30 × 991,945.60
  4. Step 4: Simplify right side
    2,885,644.60x = 4,292,591,316,521.28
  5. Step 5: Solve for x
    x = 4,292,591,316,521.28/2,885,644.60
  6. Step 6: Final answer
    x = 1,487,567.57

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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.