Home / 3,151,010.78-4,723,712.07-1,231,485.47

Finding the Fourth Proportional to 3,151,010.78, 4,723,712.07 and 1,231,485.47

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Solution

The fourth proportional to 3,151,010.78, 4,723,712.07 and 1,231,485.47 is: 1,846,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,010.78 : 4,723,712.07 = 1,231,485.47 : x
  2. Step 2: Convert to fraction form
    3,151,010.78/4,723,712.07 = 1,231,485.47/x
  3. Step 3: Cross multiply
    3,151,010.78x = 4,723,712.07 × 1,231,485.47
  4. Step 4: Simplify right side
    3,151,010.78x = 5,817,182,794,716.79
  5. Step 5: Solve for x
    x = 5,817,182,794,716.79/3,151,010.78
  6. Step 6: Final answer
    x = 1,846,132.30

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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.