Home / 3,942,317.12-5,441,561.11-2,311,077.56

Finding the Fourth Proportional to 3,942,317.12, 5,441,561.11 and 2,311,077.56

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Solution

The fourth proportional to 3,942,317.12, 5,441,561.11 and 2,311,077.56 is: 3,189,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,317.12 : 5,441,561.11 = 2,311,077.56 : x
  2. Step 2: Convert to fraction form
    3,942,317.12/5,441,561.11 = 2,311,077.56/x
  3. Step 3: Cross multiply
    3,942,317.12x = 5,441,561.11 × 2,311,077.56
  4. Step 4: Simplify right side
    3,942,317.12x = 12,575,869,739,704.19
  5. Step 5: Solve for x
    x = 12,575,869,739,704.19/3,942,317.12
  6. Step 6: Final answer
    x = 3,189,969.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.