Home / 2,179,617.18-3,007,886.49-1,212,788.22

Finding the Fourth Proportional to 2,179,617.18, 3,007,886.49 and 1,212,788.22

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Solution

The fourth proportional to 2,179,617.18, 3,007,886.49 and 1,212,788.22 is: 1,673,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,617.18 : 3,007,886.49 = 1,212,788.22 : x
  2. Step 2: Convert to fraction form
    2,179,617.18/3,007,886.49 = 1,212,788.22/x
  3. Step 3: Cross multiply
    2,179,617.18x = 3,007,886.49 × 1,212,788.22
  4. Step 4: Simplify right side
    2,179,617.18x = 3,647,929,302,169.15
  5. Step 5: Solve for x
    x = 3,647,929,302,169.15/2,179,617.18
  6. Step 6: Final answer
    x = 1,673,655.97

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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.