Home / 3,221,890.97-4,442,082.12-2,638,966.64

Finding the Fourth Proportional to 3,221,890.97, 4,442,082.12 and 2,638,966.64

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Solution

The fourth proportional to 3,221,890.97, 4,442,082.12 and 2,638,966.64 is: 3,638,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,890.97 : 4,442,082.12 = 2,638,966.64 : x
  2. Step 2: Convert to fraction form
    3,221,890.97/4,442,082.12 = 2,638,966.64/x
  3. Step 3: Cross multiply
    3,221,890.97x = 4,442,082.12 × 2,638,966.64
  4. Step 4: Simplify right side
    3,221,890.97x = 11,722,506,504,610.07
  5. Step 5: Solve for x
    x = 11,722,506,504,610.07/3,221,890.97
  6. Step 6: Final answer
    x = 3,638,393.30

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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.