Home / 2,218,417.89-3,327,626.84-722,509.89

Finding the Fourth Proportional to 2,218,417.89, 3,327,626.84 and 722,509.89

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Solution

The fourth proportional to 2,218,417.89, 3,327,626.84 and 722,509.89 is: 1,083,764.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,417.89 : 3,327,626.84 = 722,509.89 : x
  2. Step 2: Convert to fraction form
    2,218,417.89/3,327,626.84 = 722,509.89/x
  3. Step 3: Cross multiply
    2,218,417.89x = 3,327,626.84 × 722,509.89
  4. Step 4: Simplify right side
    2,218,417.89x = 2,404,243,298,516.90
  5. Step 5: Solve for x
    x = 2,404,243,298,516.90/2,218,417.89
  6. Step 6: Final answer
    x = 1,083,764.84

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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.