Home / 5,194,964.06-7,168,429.32-2,871,542.78

Finding the Fourth Proportional to 5,194,964.06, 7,168,429.32 and 2,871,542.78

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Solution

The fourth proportional to 5,194,964.06, 7,168,429.32 and 2,871,542.78 is: 3,962,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194,964.06 : 7,168,429.32 = 2,871,542.78 : x
  2. Step 2: Convert to fraction form
    5,194,964.06/7,168,429.32 = 2,871,542.78/x
  3. Step 3: Cross multiply
    5,194,964.06x = 7,168,429.32 × 2,871,542.78
  4. Step 4: Simplify right side
    5,194,964.06x = 20,584,451,457,786.31
  5. Step 5: Solve for x
    x = 20,584,451,457,786.31/5,194,964.06
  6. Step 6: Final answer
    x = 3,962,385.73

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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.