Home / 1,888,340.24-2,605,909.83-1,028,900.58

Finding the Fourth Proportional to 1,888,340.24, 2,605,909.83 and 1,028,900.58

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Solution

The fourth proportional to 1,888,340.24, 2,605,909.83 and 1,028,900.58 is: 1,419,882.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,340.24 : 2,605,909.83 = 1,028,900.58 : x
  2. Step 2: Convert to fraction form
    1,888,340.24/2,605,909.83 = 1,028,900.58/x
  3. Step 3: Cross multiply
    1,888,340.24x = 2,605,909.83 × 1,028,900.58
  4. Step 4: Simplify right side
    1,888,340.24x = 2,681,222,121,884.16
  5. Step 5: Solve for x
    x = 2,681,222,121,884.16/1,888,340.24
  6. Step 6: Final answer
    x = 1,419,882.95

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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.