Home / 3,867,159.09-5,789,777.61-3,213,486.66

Finding the Fourth Proportional to 3,867,159.09, 5,789,777.61 and 3,213,486.66

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Solution

The fourth proportional to 3,867,159.09, 5,789,777.61 and 3,213,486.66 is: 4,811,121.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,159.09 : 5,789,777.61 = 3,213,486.66 : x
  2. Step 2: Convert to fraction form
    3,867,159.09/5,789,777.61 = 3,213,486.66/x
  3. Step 3: Cross multiply
    3,867,159.09x = 5,789,777.61 × 3,213,486.66
  4. Step 4: Simplify right side
    3,867,159.09x = 18,605,373,114,101.68
  5. Step 5: Solve for x
    x = 18,605,373,114,101.68/3,867,159.09
  6. Step 6: Final answer
    x = 4,811,121.73

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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.