Home / 3,613,928.78-5,413,665.14-2,173,817.22

Finding the Fourth Proportional to 3,613,928.78, 5,413,665.14 and 2,173,817.22

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Solution

The fourth proportional to 3,613,928.78, 5,413,665.14 and 2,173,817.22 is: 3,256,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,928.78 : 5,413,665.14 = 2,173,817.22 : x
  2. Step 2: Convert to fraction form
    3,613,928.78/5,413,665.14 = 2,173,817.22/x
  3. Step 3: Cross multiply
    3,613,928.78x = 5,413,665.14 × 2,173,817.22
  4. Step 4: Simplify right side
    3,613,928.78x = 11,768,318,504,645.71
  5. Step 5: Solve for x
    x = 11,768,318,504,645.71/3,613,928.78
  6. Step 6: Final answer
    x = 3,256,378.09

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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.