Home / 2,228,223.66-3,074,948.52-1,209,628.44

Finding the Fourth Proportional to 2,228,223.66, 3,074,948.52 and 1,209,628.44

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Solution

The fourth proportional to 2,228,223.66, 3,074,948.52 and 1,209,628.44 is: 1,669,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,223.66 : 3,074,948.52 = 1,209,628.44 : x
  2. Step 2: Convert to fraction form
    2,228,223.66/3,074,948.52 = 1,209,628.44/x
  3. Step 3: Cross multiply
    2,228,223.66x = 3,074,948.52 × 1,209,628.44
  4. Step 4: Simplify right side
    2,228,223.66x = 3,719,545,181,327.91
  5. Step 5: Solve for x
    x = 3,719,545,181,327.91/2,228,223.66
  6. Step 6: Final answer
    x = 1,669,287.18

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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.