Home / 3,756,978-5,184,629.64-2,147,380.56

Finding the Fourth Proportional to 3,756,978, 5,184,629.64 and 2,147,380.56

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Solution

The fourth proportional to 3,756,978, 5,184,629.64 and 2,147,380.56 is: 2,963,385.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756,978 : 5,184,629.64 = 2,147,380.56 : x
  2. Step 2: Convert to fraction form
    3,756,978/5,184,629.64 = 2,147,380.56/x
  3. Step 3: Cross multiply
    3,756,978x = 5,184,629.64 × 2,147,380.56
  4. Step 4: Simplify right side
    3,756,978x = 11,133,372,899,735.80
  5. Step 5: Solve for x
    x = 11,133,372,899,735.80/3,756,978
  6. Step 6: Final answer
    x = 2,963,385.17

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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.