Home / 1,888,067.20-2,605,524.94-1,028,624.80

Finding the Fourth Proportional to 1,888,067.20, 2,605,524.94 and 1,028,624.80

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Solution

The fourth proportional to 1,888,067.20, 2,605,524.94 and 1,028,624.80 is: 1,419,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,067.20 : 2,605,524.94 = 1,028,624.80 : x
  2. Step 2: Convert to fraction form
    1,888,067.20/2,605,524.94 = 1,028,624.80/x
  3. Step 3: Cross multiply
    1,888,067.20x = 2,605,524.94 × 1,028,624.80
  4. Step 4: Simplify right side
    1,888,067.20x = 2,680,107,570,302.51
  5. Step 5: Solve for x
    x = 2,680,107,570,302.51/1,888,067.20
  6. Step 6: Final answer
    x = 1,419,497.98

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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.