Home / 2,007,115.80-2,772,118.56-1,321,850.88

Finding the Fourth Proportional to 2,007,115.80, 2,772,118.56 and 1,321,850.88

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Solution

The fourth proportional to 2,007,115.80, 2,772,118.56 and 1,321,850.88 is: 1,825,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007,115.80 : 2,772,118.56 = 1,321,850.88 : x
  2. Step 2: Convert to fraction form
    2,007,115.80/2,772,118.56 = 1,321,850.88/x
  3. Step 3: Cross multiply
    2,007,115.80x = 2,772,118.56 × 1,321,850.88
  4. Step 4: Simplify right side
    2,007,115.80x = 3,664,327,358,000.33
  5. Step 5: Solve for x
    x = 3,664,327,358,000.33/2,007,115.80
  6. Step 6: Final answer
    x = 1,825,668.13

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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.