Home / 5,327,003.60-7,990,505.40-1,781,147.60

Finding the Fourth Proportional to 5,327,003.60, 7,990,505.40 and 1,781,147.60

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Solution

The fourth proportional to 5,327,003.60, 7,990,505.40 and 1,781,147.60 is: 2,671,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327,003.60 : 7,990,505.40 = 1,781,147.60 : x
  2. Step 2: Convert to fraction form
    5,327,003.60/7,990,505.40 = 1,781,147.60/x
  3. Step 3: Cross multiply
    5,327,003.60x = 7,990,505.40 × 1,781,147.60
  4. Step 4: Simplify right side
    5,327,003.60x = 14,232,269,515,997.04
  5. Step 5: Solve for x
    x = 14,232,269,515,997.04/5,327,003.60
  6. Step 6: Final answer
    x = 2,671,721.40

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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.