Home / 2,112,221.75-3,167,067.33-672,283.17

Finding the Fourth Proportional to 2,112,221.75, 3,167,067.33 and 672,283.17

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Solution

The fourth proportional to 2,112,221.75, 3,167,067.33 and 672,283.17 is: 1,008,022.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,221.75 : 3,167,067.33 = 672,283.17 : x
  2. Step 2: Convert to fraction form
    2,112,221.75/3,167,067.33 = 672,283.17/x
  3. Step 3: Cross multiply
    2,112,221.75x = 3,167,067.33 × 672,283.17
  4. Step 4: Simplify right side
    2,112,221.75x = 2,129,166,064,215.84
  5. Step 5: Solve for x
    x = 2,129,166,064,215.84/2,112,221.75
  6. Step 6: Final answer
    x = 1,008,022.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.