Home / 2,620,781.82-3,931,194.60-727,670.88

Finding the Fourth Proportional to 2,620,781.82, 3,931,194.60 and 727,670.88

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Solution

The fourth proportional to 2,620,781.82, 3,931,194.60 and 727,670.88 is: 1,091,512.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,781.82 : 3,931,194.60 = 727,670.88 : x
  2. Step 2: Convert to fraction form
    2,620,781.82/3,931,194.60 = 727,670.88/x
  3. Step 3: Cross multiply
    2,620,781.82x = 3,931,194.60 × 727,670.88
  4. Step 4: Simplify right side
    2,620,781.82x = 2,860,615,834,033.25
  5. Step 5: Solve for x
    x = 2,860,615,834,033.25/2,620,781.82
  6. Step 6: Final answer
    x = 1,091,512.39

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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.