Home / 2,620,777.82-3,931,188.60-727,666.88

Finding the Fourth Proportional to 2,620,777.82, 3,931,188.60 and 727,666.88

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Solution

The fourth proportional to 2,620,777.82, 3,931,188.60 and 727,666.88 is: 1,091,506.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,777.82 : 3,931,188.60 = 727,666.88 : x
  2. Step 2: Convert to fraction form
    2,620,777.82/3,931,188.60 = 727,666.88/x
  3. Step 3: Cross multiply
    2,620,777.82x = 3,931,188.60 × 727,666.88
  4. Step 4: Simplify right side
    2,620,777.82x = 2,860,595,743,253.57
  5. Step 5: Solve for x
    x = 2,860,595,743,253.57/2,620,777.82
  6. Step 6: Final answer
    x = 1,091,506.39

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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.