Home / 3,906,286.52-5,390,616.82-2,163,950.40

Finding the Fourth Proportional to 3,906,286.52, 5,390,616.82 and 2,163,950.40

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Solution

The fourth proportional to 3,906,286.52, 5,390,616.82 and 2,163,950.40 is: 2,986,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,286.52 : 5,390,616.82 = 2,163,950.40 : x
  2. Step 2: Convert to fraction form
    3,906,286.52/5,390,616.82 = 2,163,950.40/x
  3. Step 3: Cross multiply
    3,906,286.52x = 5,390,616.82 × 2,163,950.40
  4. Step 4: Simplify right side
    3,906,286.52x = 11,665,027,423,885.73
  5. Step 5: Solve for x
    x = 11,665,027,423,885.73/3,906,286.52
  6. Step 6: Final answer
    x = 2,986,219.10

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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.