Home / 3,958,238-5,462,379-2,147,402

Finding the Fourth Proportional to 3,958,238, 5,462,379 and 2,147,402

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Solution

The fourth proportional to 3,958,238, 5,462,379 and 2,147,402 is: 2,963,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958,238 : 5,462,379 = 2,147,402 : x
  2. Step 2: Convert to fraction form
    3,958,238/5,462,379 = 2,147,402/x
  3. Step 3: Cross multiply
    3,958,238x = 5,462,379 × 2,147,402
  4. Step 4: Simplify right side
    3,958,238x = 11,729,923,589,358
  5. Step 5: Solve for x
    x = 11,729,923,589,358/3,958,238
  6. Step 6: Final answer
    x = 2,963,420.49

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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.