Home / 2,201,419.20-3,302,128.80-603,979.73

Finding the Fourth Proportional to 2,201,419.20, 3,302,128.80 and 603,979.73

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Solution

The fourth proportional to 2,201,419.20, 3,302,128.80 and 603,979.73 is: 905,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,419.20 : 3,302,128.80 = 603,979.73 : x
  2. Step 2: Convert to fraction form
    2,201,419.20/3,302,128.80 = 603,979.73/x
  3. Step 3: Cross multiply
    2,201,419.20x = 3,302,128.80 × 603,979.73
  4. Step 4: Simplify right side
    2,201,419.20x = 1,994,418,844,538.58
  5. Step 5: Solve for x
    x = 1,994,418,844,538.58/2,201,419.20
  6. Step 6: Final answer
    x = 905,969.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.