Home / 2,986,640.80-4,489,292.40-2,930,653.60

Finding the Fourth Proportional to 2,986,640.80, 4,489,292.40 and 2,930,653.60

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Solution

The fourth proportional to 2,986,640.80, 4,489,292.40 and 2,930,653.60 is: 4,405,136.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,640.80 : 4,489,292.40 = 2,930,653.60 : x
  2. Step 2: Convert to fraction form
    2,986,640.80/4,489,292.40 = 2,930,653.60/x
  3. Step 3: Cross multiply
    2,986,640.80x = 4,489,292.40 × 2,930,653.60
  4. Step 4: Simplify right side
    2,986,640.80x = 13,156,560,933,512.64
  5. Step 5: Solve for x
    x = 13,156,560,933,512.64/2,986,640.80
  6. Step 6: Final answer
    x = 4,405,136.68

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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.