Home / 2,278,223.76-3,143,954.16-1,245,798.48

Finding the Fourth Proportional to 2,278,223.76, 3,143,954.16 and 1,245,798.48

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Solution

The fourth proportional to 2,278,223.76, 3,143,954.16 and 1,245,798.48 is: 1,719,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,223.76 : 3,143,954.16 = 1,245,798.48 : x
  2. Step 2: Convert to fraction form
    2,278,223.76/3,143,954.16 = 1,245,798.48/x
  3. Step 3: Cross multiply
    2,278,223.76x = 3,143,954.16 × 1,245,798.48
  4. Step 4: Simplify right side
    2,278,223.76x = 3,916,733,313,717.68
  5. Step 5: Solve for x
    x = 3,916,733,313,717.68/2,278,223.76
  6. Step 6: Final answer
    x = 1,719,204.84

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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.