Home / 3,971,867.52-5,481,013.44-2,161,038.72

Finding the Fourth Proportional to 3,971,867.52, 5,481,013.44 and 2,161,038.72

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Solution

The fourth proportional to 3,971,867.52, 5,481,013.44 and 2,161,038.72 is: 2,982,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971,867.52 : 5,481,013.44 = 2,161,038.72 : x
  2. Step 2: Convert to fraction form
    3,971,867.52/5,481,013.44 = 2,161,038.72/x
  3. Step 3: Cross multiply
    3,971,867.52x = 5,481,013.44 × 2,161,038.72
  4. Step 4: Simplify right side
    3,971,867.52x = 11,844,682,268,680.40
  5. Step 5: Solve for x
    x = 11,844,682,268,680.40/3,971,867.52
  6. Step 6: Final answer
    x = 2,982,144.35

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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.