Home / 2,629,920.80-3,944,881.20-1,367,584.40

Finding the Fourth Proportional to 2,629,920.80, 3,944,881.20 and 1,367,584.40

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Solution

The fourth proportional to 2,629,920.80, 3,944,881.20 and 1,367,584.40 is: 2,051,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,920.80 : 3,944,881.20 = 1,367,584.40 : x
  2. Step 2: Convert to fraction form
    2,629,920.80/3,944,881.20 = 1,367,584.40/x
  3. Step 3: Cross multiply
    2,629,920.80x = 3,944,881.20 × 1,367,584.40
  4. Step 4: Simplify right side
    2,629,920.80x = 5,394,957,988,973.28
  5. Step 5: Solve for x
    x = 5,394,957,988,973.28/2,629,920.80
  6. Step 6: Final answer
    x = 2,051,376.60

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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.