Home / 3,198,108.36-4,797,661.04-1,918,415.03

Finding the Fourth Proportional to 3,198,108.36, 4,797,661.04 and 1,918,415.03

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Solution

The fourth proportional to 3,198,108.36, 4,797,661.04 and 1,918,415.03 is: 2,877,921.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198,108.36 : 4,797,661.04 = 1,918,415.03 : x
  2. Step 2: Convert to fraction form
    3,198,108.36/4,797,661.04 = 1,918,415.03/x
  3. Step 3: Cross multiply
    3,198,108.36x = 4,797,661.04 × 1,918,415.03
  4. Step 4: Simplify right side
    3,198,108.36x = 9,203,905,028,789.16
  5. Step 5: Solve for x
    x = 9,203,905,028,789.16/3,198,108.36
  6. Step 6: Final answer
    x = 2,877,921.57

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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.