Home / 2,378,841.09-3,282,803.77-1,291,112.54

Finding the Fourth Proportional to 2,378,841.09, 3,282,803.77 and 1,291,112.54

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Solution

The fourth proportional to 2,378,841.09, 3,282,803.77 and 1,291,112.54 is: 1,781,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,841.09 : 3,282,803.77 = 1,291,112.54 : x
  2. Step 2: Convert to fraction form
    2,378,841.09/3,282,803.77 = 1,291,112.54/x
  3. Step 3: Cross multiply
    2,378,841.09x = 3,282,803.77 × 1,291,112.54
  4. Step 4: Simplify right side
    2,378,841.09x = 4,238,469,113,806.28
  5. Step 5: Solve for x
    x = 4,238,469,113,806.28/2,378,841.09
  6. Step 6: Final answer
    x = 1,781,736.97

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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.