Home / 3,958,242-5,462,384.52-2,147,406

Finding the Fourth Proportional to 3,958,242, 5,462,384.52 and 2,147,406

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Solution

The fourth proportional to 3,958,242, 5,462,384.52 and 2,147,406 is: 2,963,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958,242 : 5,462,384.52 = 2,147,406 : x
  2. Step 2: Convert to fraction form
    3,958,242/5,462,384.52 = 2,147,406/x
  3. Step 3: Cross multiply
    3,958,242x = 5,462,384.52 × 2,147,406
  4. Step 4: Simplify right side
    3,958,242x = 11,729,957,292,555.12
  5. Step 5: Solve for x
    x = 11,729,957,292,555.12/3,958,242
  6. Step 6: Final answer
    x = 2,963,426.01

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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.