Home / 2,768,936.20-3,821,109.73-1,607,490.23

Finding the Fourth Proportional to 2,768,936.20, 3,821,109.73 and 1,607,490.23

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Solution

The fourth proportional to 2,768,936.20, 3,821,109.73 and 1,607,490.23 is: 2,218,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,936.20 : 3,821,109.73 = 1,607,490.23 : x
  2. Step 2: Convert to fraction form
    2,768,936.20/3,821,109.73 = 1,607,490.23/x
  3. Step 3: Cross multiply
    2,768,936.20x = 3,821,109.73 × 1,607,490.23
  4. Step 4: Simplify right side
    2,768,936.20x = 6,142,396,535,608.66
  5. Step 5: Solve for x
    x = 6,142,396,535,608.66/2,768,936.20
  6. Step 6: Final answer
    x = 2,218,323.61

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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.