Home / 2,185,169.98-3,278,142.60-668,819.38

Finding the Fourth Proportional to 2,185,169.98, 3,278,142.60 and 668,819.38

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Solution

The fourth proportional to 2,185,169.98, 3,278,142.60 and 668,819.38 is: 1,003,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,169.98 : 3,278,142.60 = 668,819.38 : x
  2. Step 2: Convert to fraction form
    2,185,169.98/3,278,142.60 = 668,819.38/x
  3. Step 3: Cross multiply
    2,185,169.98x = 3,278,142.60 × 668,819.38
  4. Step 4: Simplify right side
    2,185,169.98x = 2,192,485,301,283.59
  5. Step 5: Solve for x
    x = 2,192,485,301,283.59/2,185,169.98
  6. Step 6: Final answer
    x = 1,003,347.71

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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.