Home / 3,958,241-5,462,383.14-2,147,405

Finding the Fourth Proportional to 3,958,241, 5,462,383.14 and 2,147,405

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Solution

The fourth proportional to 3,958,241, 5,462,383.14 and 2,147,405 is: 2,963,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958,241 : 5,462,383.14 = 2,147,405 : x
  2. Step 2: Convert to fraction form
    3,958,241/5,462,383.14 = 2,147,405/x
  3. Step 3: Cross multiply
    3,958,241x = 5,462,383.14 × 2,147,405
  4. Step 4: Simplify right side
    3,958,241x = 11,729,948,866,751.70
  5. Step 5: Solve for x
    x = 11,729,948,866,751.70/3,958,241
  6. Step 6: Final answer
    x = 2,963,424.63

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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.