Home / 2,557,930.60-3,838,278.30-1,138,205.80

Finding the Fourth Proportional to 2,557,930.60, 3,838,278.30 and 1,138,205.80

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Solution

The fourth proportional to 2,557,930.60, 3,838,278.30 and 1,138,205.80 is: 1,707,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557,930.60 : 3,838,278.30 = 1,138,205.80 : x
  2. Step 2: Convert to fraction form
    2,557,930.60/3,838,278.30 = 1,138,205.80/x
  3. Step 3: Cross multiply
    2,557,930.60x = 3,838,278.30 × 1,138,205.80
  4. Step 4: Simplify right side
    2,557,930.60x = 4,368,750,623,074.14
  5. Step 5: Solve for x
    x = 4,368,750,623,074.14/2,557,930.60
  6. Step 6: Final answer
    x = 1,707,923.83

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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.