Home / 2,660,033.52-3,990,611.31-862,777.43

Finding the Fourth Proportional to 2,660,033.52, 3,990,611.31 and 862,777.43

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Solution

The fourth proportional to 2,660,033.52, 3,990,611.31 and 862,777.43 is: 1,294,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,033.52 : 3,990,611.31 = 862,777.43 : x
  2. Step 2: Convert to fraction form
    2,660,033.52/3,990,611.31 = 862,777.43/x
  3. Step 3: Cross multiply
    2,660,033.52x = 3,990,611.31 × 862,777.43
  4. Step 4: Simplify right side
    2,660,033.52x = 3,443,009,350,217.68
  5. Step 5: Solve for x
    x = 3,443,009,350,217.68/2,660,033.52
  6. Step 6: Final answer
    x = 1,294,348.11

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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.