Home / 2,659,868.03-3,990,362.46-862,611.36

Finding the Fourth Proportional to 2,659,868.03, 3,990,362.46 and 862,611.36

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Solution

The fourth proportional to 2,659,868.03, 3,990,362.46 and 862,611.36 is: 1,294,098.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,868.03 : 3,990,362.46 = 862,611.36 : x
  2. Step 2: Convert to fraction form
    2,659,868.03/3,990,362.46 = 862,611.36/x
  3. Step 3: Cross multiply
    2,659,868.03x = 3,990,362.46 × 862,611.36
  4. Step 4: Simplify right side
    2,659,868.03x = 3,442,131,988,513.55
  5. Step 5: Solve for x
    x = 3,442,131,988,513.55/2,659,868.03
  6. Step 6: Final answer
    x = 1,294,098.79

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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.