Home / 2,228,216.28-3,074,975.82-1,209,621

Finding the Fourth Proportional to 2,228,216.28, 3,074,975.82 and 1,209,621

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Solution

The fourth proportional to 2,228,216.28, 3,074,975.82 and 1,209,621 is: 1,669,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,216.28 : 3,074,975.82 = 1,209,621 : x
  2. Step 2: Convert to fraction form
    2,228,216.28/3,074,975.82 = 1,209,621/x
  3. Step 3: Cross multiply
    2,228,216.28x = 3,074,975.82 × 1,209,621
  4. Step 4: Simplify right side
    2,228,216.28x = 3,719,555,326,364.22
  5. Step 5: Solve for x
    x = 3,719,555,326,364.22/2,228,216.28
  6. Step 6: Final answer
    x = 1,669,297.26

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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.