Home / 2,134,470.39-3,196,575.38-1,220,883.21

Finding the Fourth Proportional to 2,134,470.39, 3,196,575.38 and 1,220,883.21

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Solution

The fourth proportional to 2,134,470.39, 3,196,575.38 and 1,220,883.21 is: 1,828,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,470.39 : 3,196,575.38 = 1,220,883.21 : x
  2. Step 2: Convert to fraction form
    2,134,470.39/3,196,575.38 = 1,220,883.21/x
  3. Step 3: Cross multiply
    2,134,470.39x = 3,196,575.38 × 1,220,883.21
  4. Step 4: Simplify right side
    2,134,470.39x = 3,902,645,204,836.95
  5. Step 5: Solve for x
    x = 3,902,645,204,836.95/2,134,470.39
  6. Step 6: Final answer
    x = 1,828,390.42

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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.