Home / 3,179,634.44-4,769,342.16-905,172.80

Finding the Fourth Proportional to 3,179,634.44, 4,769,342.16 and 905,172.80

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Solution

The fourth proportional to 3,179,634.44, 4,769,342.16 and 905,172.80 is: 1,357,728.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,634.44 : 4,769,342.16 = 905,172.80 : x
  2. Step 2: Convert to fraction form
    3,179,634.44/4,769,342.16 = 905,172.80/x
  3. Step 3: Cross multiply
    3,179,634.44x = 4,769,342.16 × 905,172.80
  4. Step 4: Simplify right side
    3,179,634.44x = 4,317,078,797,125.25
  5. Step 5: Solve for x
    x = 4,317,078,797,125.25/3,179,634.44
  6. Step 6: Final answer
    x = 1,357,728.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.