Home / 2,731,600.80-4,098,015.60-838,429.60

Finding the Fourth Proportional to 2,731,600.80, 4,098,015.60 and 838,429.60

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Solution

The fourth proportional to 2,731,600.80, 4,098,015.60 and 838,429.60 is: 1,257,832.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,600.80 : 4,098,015.60 = 838,429.60 : x
  2. Step 2: Convert to fraction form
    2,731,600.80/4,098,015.60 = 838,429.60/x
  3. Step 3: Cross multiply
    2,731,600.80x = 4,098,015.60 × 838,429.60
  4. Step 4: Simplify right side
    2,731,600.80x = 3,435,897,580,301.76
  5. Step 5: Solve for x
    x = 3,435,897,580,301.76/2,731,600.80
  6. Step 6: Final answer
    x = 1,257,832.98

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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.