Home / 3,179,255.76-4,385,149.08-2,091,179.52

Finding the Fourth Proportional to 3,179,255.76, 4,385,149.08 and 2,091,179.52

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Solution

The fourth proportional to 3,179,255.76, 4,385,149.08 and 2,091,179.52 is: 2,884,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,255.76 : 4,385,149.08 = 2,091,179.52 : x
  2. Step 2: Convert to fraction form
    3,179,255.76/4,385,149.08 = 2,091,179.52/x
  3. Step 3: Cross multiply
    3,179,255.76x = 4,385,149.08 × 2,091,179.52
  4. Step 4: Simplify right side
    3,179,255.76x = 9,170,133,948,242.84
  5. Step 5: Solve for x
    x = 9,170,133,948,242.84/3,179,255.76
  6. Step 6: Final answer
    x = 2,884,364.97

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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.