Home / 2,231,778.15-3,079,884.47-1,213,204.77

Finding the Fourth Proportional to 2,231,778.15, 3,079,884.47 and 1,213,204.77

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Solution

The fourth proportional to 2,231,778.15, 3,079,884.47 and 1,213,204.77 is: 1,674,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,778.15 : 3,079,884.47 = 1,213,204.77 : x
  2. Step 2: Convert to fraction form
    2,231,778.15/3,079,884.47 = 1,213,204.77/x
  3. Step 3: Cross multiply
    2,231,778.15x = 3,079,884.47 × 1,213,204.77
  4. Step 4: Simplify right side
    2,231,778.15x = 3,736,530,523,986.90
  5. Step 5: Solve for x
    x = 3,736,530,523,986.90/2,231,778.15
  6. Step 6: Final answer
    x = 1,674,239.23

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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.