Home / 4,128,310.82-6,189,221.36-2,608,797.80

Finding the Fourth Proportional to 4,128,310.82, 6,189,221.36 and 2,608,797.80

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Solution

The fourth proportional to 4,128,310.82, 6,189,221.36 and 2,608,797.80 is: 3,911,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,310.82 : 6,189,221.36 = 2,608,797.80 : x
  2. Step 2: Convert to fraction form
    4,128,310.82/6,189,221.36 = 2,608,797.80/x
  3. Step 3: Cross multiply
    4,128,310.82x = 6,189,221.36 × 2,608,797.80
  4. Step 4: Simplify right side
    4,128,310.82x = 16,146,427,067,681.01
  5. Step 5: Solve for x
    x = 16,146,427,067,681.01/4,128,310.82
  6. Step 6: Final answer
    x = 3,911,146.17

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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.