Home / 3,926,890.20-5,886,879.30-2,660,611.80

Finding the Fourth Proportional to 3,926,890.20, 5,886,879.30 and 2,660,611.80

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Solution

The fourth proportional to 3,926,890.20, 5,886,879.30 and 2,660,611.80 is: 3,988,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926,890.20 : 5,886,879.30 = 2,660,611.80 : x
  2. Step 2: Convert to fraction form
    3,926,890.20/5,886,879.30 = 2,660,611.80/x
  3. Step 3: Cross multiply
    3,926,890.20x = 5,886,879.30 × 2,660,611.80
  4. Step 4: Simplify right side
    3,926,890.20x = 15,662,700,530,755.74
  5. Step 5: Solve for x
    x = 15,662,700,530,755.74/3,926,890.20
  6. Step 6: Final answer
    x = 3,988,576.13

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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.