Home / 3,854,512.72-5,319,048.36-2,112,171.76

Finding the Fourth Proportional to 3,854,512.72, 5,319,048.36 and 2,112,171.76

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Solution

The fourth proportional to 3,854,512.72, 5,319,048.36 and 2,112,171.76 is: 2,914,698.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854,512.72 : 5,319,048.36 = 2,112,171.76 : x
  2. Step 2: Convert to fraction form
    3,854,512.72/5,319,048.36 = 2,112,171.76/x
  3. Step 3: Cross multiply
    3,854,512.72x = 5,319,048.36 × 2,112,171.76
  4. Step 4: Simplify right side
    3,854,512.72x = 11,234,743,736,066.31
  5. Step 5: Solve for x
    x = 11,234,743,736,066.31/3,854,512.72
  6. Step 6: Final answer
    x = 2,914,698.84

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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.