Home / 4,811,512.22-7,215,111.21-2,867,157.80

Finding the Fourth Proportional to 4,811,512.22, 7,215,111.21 and 2,867,157.80

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Solution

The fourth proportional to 4,811,512.22, 7,215,111.21 and 2,867,157.80 is: 4,299,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811,512.22 : 7,215,111.21 = 2,867,157.80 : x
  2. Step 2: Convert to fraction form
    4,811,512.22/7,215,111.21 = 2,867,157.80/x
  3. Step 3: Cross multiply
    4,811,512.22x = 7,215,111.21 × 2,867,157.80
  4. Step 4: Simplify right side
    4,811,512.22x = 20,686,862,383,618.94
  5. Step 5: Solve for x
    x = 20,686,862,383,618.94/4,811,512.22
  6. Step 6: Final answer
    x = 4,299,451.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.