Home / 6,849,229.58-10,275,316.75-1,991,620.48

Finding the Fourth Proportional to 6,849,229.58, 10,275,316.75 and 1,991,620.48

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Solution

The fourth proportional to 6,849,229.58, 10,275,316.75 and 1,991,620.48 is: 2,987,858.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849,229.58 : 10,275,316.75 = 1,991,620.48 : x
  2. Step 2: Convert to fraction form
    6,849,229.58/10,275,316.75 = 1,991,620.48/x
  3. Step 3: Cross multiply
    6,849,229.58x = 10,275,316.75 × 1,991,620.48
  4. Step 4: Simplify right side
    6,849,229.58x = 20,464,531,293,517.23
  5. Step 5: Solve for x
    x = 20,464,531,293,517.23/6,849,229.58
  6. Step 6: Final answer
    x = 2,987,858.86

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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.