Home / 3,979,020.33-5,491,047.06-2,168,184.33

Finding the Fourth Proportional to 3,979,020.33, 5,491,047.06 and 2,168,184.33

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Solution

The fourth proportional to 3,979,020.33, 5,491,047.06 and 2,168,184.33 is: 2,992,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,020.33 : 5,491,047.06 = 2,168,184.33 : x
  2. Step 2: Convert to fraction form
    3,979,020.33/5,491,047.06 = 2,168,184.33/x
  3. Step 3: Cross multiply
    3,979,020.33x = 5,491,047.06 × 2,168,184.33
  4. Step 4: Simplify right side
    3,979,020.33x = 11,905,602,190,784.57
  5. Step 5: Solve for x
    x = 11,905,602,190,784.57/3,979,020.33
  6. Step 6: Final answer
    x = 2,992,093.83

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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.