Home / 3,867,736.86-5,337,642.96-2,148,857.37

Finding the Fourth Proportional to 3,867,736.86, 5,337,642.96 and 2,148,857.37

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Solution

The fourth proportional to 3,867,736.86, 5,337,642.96 and 2,148,857.37 is: 2,965,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,736.86 : 5,337,642.96 = 2,148,857.37 : x
  2. Step 2: Convert to fraction form
    3,867,736.86/5,337,642.96 = 2,148,857.37/x
  3. Step 3: Cross multiply
    3,867,736.86x = 5,337,642.96 × 2,148,857.37
  4. Step 4: Simplify right side
    3,867,736.86x = 11,469,833,413,024.62
  5. Step 5: Solve for x
    x = 11,469,833,413,024.62/3,867,736.86
  6. Step 6: Final answer
    x = 2,965,515.45

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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.