Home / 1,888,366-2,605,945.44-1,028,926.36

Finding the Fourth Proportional to 1,888,366, 2,605,945.44 and 1,028,926.36

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Solution

The fourth proportional to 1,888,366, 2,605,945.44 and 1,028,926.36 is: 1,419,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,366 : 2,605,945.44 = 1,028,926.36 : x
  2. Step 2: Convert to fraction form
    1,888,366/2,605,945.44 = 1,028,926.36/x
  3. Step 3: Cross multiply
    1,888,366x = 2,605,945.44 × 1,028,926.36
  4. Step 4: Simplify right side
    1,888,366x = 2,681,325,955,937.80
  5. Step 5: Solve for x
    x = 2,681,325,955,937.80/1,888,366
  6. Step 6: Final answer
    x = 1,419,918.57

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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.