Home / 2,857,238.41-4,287,059.97-1,778,653.75

Finding the Fourth Proportional to 2,857,238.41, 4,287,059.97 and 1,778,653.75

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Solution

The fourth proportional to 2,857,238.41, 4,287,059.97 and 1,778,653.75 is: 2,668,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,238.41 : 4,287,059.97 = 1,778,653.75 : x
  2. Step 2: Convert to fraction form
    2,857,238.41/4,287,059.97 = 1,778,653.75/x
  3. Step 3: Cross multiply
    2,857,238.41x = 4,287,059.97 × 1,778,653.75
  4. Step 4: Simplify right side
    2,857,238.41x = 7,625,195,292,115.39
  5. Step 5: Solve for x
    x = 7,625,195,292,115.39/2,857,238.41
  6. Step 6: Final answer
    x = 2,668,729.10

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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.