Home / 1,813,928.13-2,503,238.58-998,149.37

Finding the Fourth Proportional to 1,813,928.13, 2,503,238.58 and 998,149.37

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Solution

The fourth proportional to 1,813,928.13, 2,503,238.58 and 998,149.37 is: 1,377,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,928.13 : 2,503,238.58 = 998,149.37 : x
  2. Step 2: Convert to fraction form
    1,813,928.13/2,503,238.58 = 998,149.37/x
  3. Step 3: Cross multiply
    1,813,928.13x = 2,503,238.58 × 998,149.37
  4. Step 4: Simplify right side
    1,813,928.13x = 2,498,605,999,070.50
  5. Step 5: Solve for x
    x = 2,498,605,999,070.50/1,813,928.13
  6. Step 6: Final answer
    x = 1,377,455.90

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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.