Home / 1,988,016.54-2,743,098.39-1,172,475.42

Finding the Fourth Proportional to 1,988,016.54, 2,743,098.39 and 1,172,475.42

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Solution

The fourth proportional to 1,988,016.54, 2,743,098.39 and 1,172,475.42 is: 1,617,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,016.54 : 2,743,098.39 = 1,172,475.42 : x
  2. Step 2: Convert to fraction form
    1,988,016.54/2,743,098.39 = 1,172,475.42/x
  3. Step 3: Cross multiply
    1,988,016.54x = 2,743,098.39 × 1,172,475.42
  4. Step 4: Simplify right side
    1,988,016.54x = 3,216,215,436,916.57
  5. Step 5: Solve for x
    x = 3,216,215,436,916.57/1,988,016.54
  6. Step 6: Final answer
    x = 1,617,801.15

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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.