Home / 5,145,272.20-7,100,912.10-2,854,171

Finding the Fourth Proportional to 5,145,272.20, 7,100,912.10 and 2,854,171

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Solution

The fourth proportional to 5,145,272.20, 7,100,912.10 and 2,854,171 is: 3,938,998.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145,272.20 : 7,100,912.10 = 2,854,171 : x
  2. Step 2: Convert to fraction form
    5,145,272.20/7,100,912.10 = 2,854,171/x
  3. Step 3: Cross multiply
    5,145,272.20x = 7,100,912.10 × 2,854,171
  4. Step 4: Simplify right side
    5,145,272.20x = 20,267,217,389,369.10
  5. Step 5: Solve for x
    x = 20,267,217,389,369.10/5,145,272.20
  6. Step 6: Final answer
    x = 3,938,998.09

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1.5x scale

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.