Home / 1,619,109-2,428,780.14-621,837

Finding the Fourth Proportional to 1,619,109, 2,428,780.14 and 621,837

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Solution

The fourth proportional to 1,619,109, 2,428,780.14 and 621,837 is: 932,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,109 : 2,428,780.14 = 621,837 : x
  2. Step 2: Convert to fraction form
    1,619,109/2,428,780.14 = 621,837/x
  3. Step 3: Cross multiply
    1,619,109x = 2,428,780.14 × 621,837
  4. Step 4: Simplify right side
    1,619,109x = 1,510,305,355,917.18
  5. Step 5: Solve for x
    x = 1,510,305,355,917.18/1,619,109
  6. Step 6: Final answer
    x = 932,800.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.