Home / 2,313,831-3,192,911.82-1,281,333.72

Finding the Fourth Proportional to 2,313,831, 3,192,911.82 and 1,281,333.72

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Solution

The fourth proportional to 2,313,831, 3,192,911.82 and 1,281,333.72 is: 1,768,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313,831 : 3,192,911.82 = 1,281,333.72 : x
  2. Step 2: Convert to fraction form
    2,313,831/3,192,911.82 = 1,281,333.72/x
  3. Step 3: Cross multiply
    2,313,831x = 3,192,911.82 × 1,281,333.72
  4. Step 4: Simplify right side
    2,313,831x = 4,091,185,579,952.57
  5. Step 5: Solve for x
    x = 4,091,185,579,952.57/2,313,831
  6. Step 6: Final answer
    x = 1,768,143.65

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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.