Home / 6,979,644.28-9,631,924.14-3,923,883.64

Finding the Fourth Proportional to 6,979,644.28, 9,631,924.14 and 3,923,883.64

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Solution

The fourth proportional to 6,979,644.28, 9,631,924.14 and 3,923,883.64 is: 5,414,967.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979,644.28 : 9,631,924.14 = 3,923,883.64 : x
  2. Step 2: Convert to fraction form
    6,979,644.28/9,631,924.14 = 3,923,883.64/x
  3. Step 3: Cross multiply
    6,979,644.28x = 9,631,924.14 × 3,923,883.64
  4. Step 4: Simplify right side
    6,979,644.28x = 37,794,549,554,667.07
  5. Step 5: Solve for x
    x = 37,794,549,554,667.07/6,979,644.28
  6. Step 6: Final answer
    x = 5,414,967.87

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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.