Home / 5,781,781.08-7,978,589.10-3,168,269.64

Finding the Fourth Proportional to 5,781,781.08, 7,978,589.10 and 3,168,269.64

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Solution

The fourth proportional to 5,781,781.08, 7,978,589.10 and 3,168,269.64 is: 4,372,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781,781.08 : 7,978,589.10 = 3,168,269.64 : x
  2. Step 2: Convert to fraction form
    5,781,781.08/7,978,589.10 = 3,168,269.64/x
  3. Step 3: Cross multiply
    5,781,781.08x = 7,978,589.10 × 3,168,269.64
  4. Step 4: Simplify right side
    5,781,781.08x = 25,278,321,615,564.93
  5. Step 5: Solve for x
    x = 25,278,321,615,564.93/5,781,781.08
  6. Step 6: Final answer
    x = 4,372,064.81

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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.