Home / 1,489,212.72-2,216,975.76-1,480,355.52

Finding the Fourth Proportional to 1,489,212.72, 2,216,975.76 and 1,480,355.52

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Solution

The fourth proportional to 1,489,212.72, 2,216,975.76 and 1,480,355.52 is: 2,203,790.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,212.72 : 2,216,975.76 = 1,480,355.52 : x
  2. Step 2: Convert to fraction form
    1,489,212.72/2,216,975.76 = 1,480,355.52/x
  3. Step 3: Cross multiply
    1,489,212.72x = 2,216,975.76 × 1,480,355.52
  4. Step 4: Simplify right side
    1,489,212.72x = 3,281,912,304,022.20
  5. Step 5: Solve for x
    x = 3,281,912,304,022.20/1,489,212.72
  6. Step 6: Final answer
    x = 2,203,790.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.