Home / 3,353,979.96-4,629,147.57-2,131,709.40

Finding the Fourth Proportional to 3,353,979.96, 4,629,147.57 and 2,131,709.40

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Solution

The fourth proportional to 3,353,979.96, 4,629,147.57 and 2,131,709.40 is: 2,942,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353,979.96 : 4,629,147.57 = 2,131,709.40 : x
  2. Step 2: Convert to fraction form
    3,353,979.96/4,629,147.57 = 2,131,709.40/x
  3. Step 3: Cross multiply
    3,353,979.96x = 4,629,147.57 × 2,131,709.40
  4. Step 4: Simplify right side
    3,353,979.96x = 9,867,997,388,956.16
  5. Step 5: Solve for x
    x = 9,867,997,388,956.16/3,353,979.96
  6. Step 6: Final answer
    x = 2,942,175.42

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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.