Home / 3,886,261.56-5,363,109.90-2,167,197.48

Finding the Fourth Proportional to 3,886,261.56, 5,363,109.90 and 2,167,197.48

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Solution

The fourth proportional to 3,886,261.56, 5,363,109.90 and 2,167,197.48 is: 2,990,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,261.56 : 5,363,109.90 = 2,167,197.48 : x
  2. Step 2: Convert to fraction form
    3,886,261.56/5,363,109.90 = 2,167,197.48/x
  3. Step 3: Cross multiply
    3,886,261.56x = 5,363,109.90 × 2,167,197.48
  4. Step 4: Simplify right side
    3,886,261.56x = 11,622,918,260,243.05
  5. Step 5: Solve for x
    x = 11,622,918,260,243.05/3,886,261.56
  6. Step 6: Final answer
    x = 2,990,770.97

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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.