Home / 2,179,549.64-3,007,793.38-1,212,720.68

Finding the Fourth Proportional to 2,179,549.64, 3,007,793.38 and 1,212,720.68

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Solution

The fourth proportional to 2,179,549.64, 3,007,793.38 and 1,212,720.68 is: 1,673,562.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,549.64 : 3,007,793.38 = 1,212,720.68 : x
  2. Step 2: Convert to fraction form
    2,179,549.64/3,007,793.38 = 1,212,720.68/x
  3. Step 3: Cross multiply
    2,179,549.64x = 3,007,793.38 × 1,212,720.68
  4. Step 4: Simplify right side
    2,179,549.64x = 3,647,613,233,093.10
  5. Step 5: Solve for x
    x = 3,647,613,233,093.10/2,179,549.64
  6. Step 6: Final answer
    x = 1,673,562.82

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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.