Home / 3,790,600.91-5,231,958.71-2,159,969.46

Finding the Fourth Proportional to 3,790,600.91, 5,231,958.71 and 2,159,969.46

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Solution

The fourth proportional to 3,790,600.91, 5,231,958.71 and 2,159,969.46 is: 2,981,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790,600.91 : 5,231,958.71 = 2,159,969.46 : x
  2. Step 2: Convert to fraction form
    3,790,600.91/5,231,958.71 = 2,159,969.46/x
  3. Step 3: Cross multiply
    3,790,600.91x = 5,231,958.71 × 2,159,969.46
  4. Step 4: Simplify right side
    3,790,600.91x = 11,300,871,029,581.00
  5. Step 5: Solve for x
    x = 11,300,871,029,581.00/3,790,600.91
  6. Step 6: Final answer
    x = 2,981,287.48

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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.