Home / 3,185,195.82-4,396,530.75-2,167,191.06

Finding the Fourth Proportional to 3,185,195.82, 4,396,530.75 and 2,167,191.06

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Solution

The fourth proportional to 3,185,195.82, 4,396,530.75 and 2,167,191.06 is: 2,991,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185,195.82 : 4,396,530.75 = 2,167,191.06 : x
  2. Step 2: Convert to fraction form
    3,185,195.82/4,396,530.75 = 2,167,191.06/x
  3. Step 3: Cross multiply
    3,185,195.82x = 4,396,530.75 × 2,167,191.06
  4. Step 4: Simplify right side
    3,185,195.82x = 9,528,122,136,415.10
  5. Step 5: Solve for x
    x = 9,528,122,136,415.10/3,185,195.82
  6. Step 6: Final answer
    x = 2,991,377.19

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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.