Home / 2,868,390.25-3,958,306.89-1,628,232.16

Finding the Fourth Proportional to 2,868,390.25, 3,958,306.89 and 1,628,232.16

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Solution

The fourth proportional to 2,868,390.25, 3,958,306.89 and 1,628,232.16 is: 2,246,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,390.25 : 3,958,306.89 = 1,628,232.16 : x
  2. Step 2: Convert to fraction form
    2,868,390.25/3,958,306.89 = 1,628,232.16/x
  3. Step 3: Cross multiply
    2,868,390.25x = 3,958,306.89 × 1,628,232.16
  4. Step 4: Simplify right side
    2,868,390.25x = 6,445,042,577,447.58
  5. Step 5: Solve for x
    x = 6,445,042,577,447.58/2,868,390.25
  6. Step 6: Final answer
    x = 2,246,919.71

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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.