Home / 2,201,015.79-3,037,398.99-1,221,103.42

Finding the Fourth Proportional to 2,201,015.79, 3,037,398.99 and 1,221,103.42

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Solution

The fourth proportional to 2,201,015.79, 3,037,398.99 and 1,221,103.42 is: 1,685,121.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,015.79 : 3,037,398.99 = 1,221,103.42 : x
  2. Step 2: Convert to fraction form
    2,201,015.79/3,037,398.99 = 1,221,103.42/x
  3. Step 3: Cross multiply
    2,201,015.79x = 3,037,398.99 × 1,221,103.42
  4. Step 4: Simplify right side
    2,201,015.79x = 3,708,978,294,593.55
  5. Step 5: Solve for x
    x = 3,708,978,294,593.55/2,201,015.79
  6. Step 6: Final answer
    x = 1,685,121.17

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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.