Home / 3,916,183.78-5,404,426.72-2,197,431.42

Finding the Fourth Proportional to 3,916,183.78, 5,404,426.72 and 2,197,431.42

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Solution

The fourth proportional to 3,916,183.78, 5,404,426.72 and 2,197,431.42 is: 3,032,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916,183.78 : 5,404,426.72 = 2,197,431.42 : x
  2. Step 2: Convert to fraction form
    3,916,183.78/5,404,426.72 = 2,197,431.42/x
  3. Step 3: Cross multiply
    3,916,183.78x = 5,404,426.72 × 2,197,431.42
  4. Step 4: Simplify right side
    3,916,183.78x = 11,875,857,055,855.36
  5. Step 5: Solve for x
    x = 11,875,857,055,855.36/3,916,183.78
  6. Step 6: Final answer
    x = 3,032,507.59

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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.