Home / 2,211,219.22-3,316,847.40-613,906.88

Finding the Fourth Proportional to 2,211,219.22, 3,316,847.40 and 613,906.88

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Solution

The fourth proportional to 2,211,219.22, 3,316,847.40 and 613,906.88 is: 920,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,219.22 : 3,316,847.40 = 613,906.88 : x
  2. Step 2: Convert to fraction form
    2,211,219.22/3,316,847.40 = 613,906.88/x
  3. Step 3: Cross multiply
    2,211,219.22x = 3,316,847.40 × 613,906.88
  4. Step 4: Simplify right side
    2,211,219.22x = 2,036,235,438,770.11
  5. Step 5: Solve for x
    x = 2,036,235,438,770.11/2,211,219.22
  6. Step 6: Final answer
    x = 920,865.48

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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.