Home / 3,431,709.20-4,733,791.14-2,140,307.56

Finding the Fourth Proportional to 3,431,709.20, 4,733,791.14 and 2,140,307.56

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Solution

The fourth proportional to 3,431,709.20, 4,733,791.14 and 2,140,307.56 is: 2,952,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,709.20 : 4,733,791.14 = 2,140,307.56 : x
  2. Step 2: Convert to fraction form
    3,431,709.20/4,733,791.14 = 2,140,307.56/x
  3. Step 3: Cross multiply
    3,431,709.20x = 4,733,791.14 × 2,140,307.56
  4. Step 4: Simplify right side
    3,431,709.20x = 10,131,768,964,403.02
  5. Step 5: Solve for x
    x = 10,131,768,964,403.02/3,431,709.20
  6. Step 6: Final answer
    x = 2,952,397.30

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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.