Home / 6,313,040.64-8,711,996.40-3,412,422

Finding the Fourth Proportional to 6,313,040.64, 8,711,996.40 and 3,412,422

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Solution

The fourth proportional to 6,313,040.64, 8,711,996.40 and 3,412,422 is: 4,709,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313,040.64 : 8,711,996.40 = 3,412,422 : x
  2. Step 2: Convert to fraction form
    6,313,040.64/8,711,996.40 = 3,412,422/x
  3. Step 3: Cross multiply
    6,313,040.64x = 8,711,996.40 × 3,412,422
  4. Step 4: Simplify right side
    6,313,040.64x = 29,729,008,179,280.80
  5. Step 5: Solve for x
    x = 29,729,008,179,280.80/6,313,040.64
  6. Step 6: Final answer
    x = 4,709,142.53

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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.