Home / 3,842,661.51-5,299,440.56-3,188,251.48

Finding the Fourth Proportional to 3,842,661.51, 5,299,440.56 and 3,188,251.48

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Solution

The fourth proportional to 3,842,661.51, 5,299,440.56 and 3,188,251.48 is: 4,396,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,661.51 : 5,299,440.56 = 3,188,251.48 : x
  2. Step 2: Convert to fraction form
    3,842,661.51/5,299,440.56 = 3,188,251.48/x
  3. Step 3: Cross multiply
    3,842,661.51x = 5,299,440.56 × 3,188,251.48
  4. Step 4: Simplify right side
    3,842,661.51x = 16,895,949,187,372.80
  5. Step 5: Solve for x
    x = 16,895,949,187,372.80/3,842,661.51
  6. Step 6: Final answer
    x = 4,396,939.24

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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.