Home / 6,384,212.60-9,576,318.90-3,990,759.80

Finding the Fourth Proportional to 6,384,212.60, 9,576,318.90 and 3,990,759.80

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Solution

The fourth proportional to 6,384,212.60, 9,576,318.90 and 3,990,759.80 is: 5,986,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384,212.60 : 9,576,318.90 = 3,990,759.80 : x
  2. Step 2: Convert to fraction form
    6,384,212.60/9,576,318.90 = 3,990,759.80/x
  3. Step 3: Cross multiply
    6,384,212.60x = 9,576,318.90 × 3,990,759.80
  4. Step 4: Simplify right side
    6,384,212.60x = 38,216,788,498,100.22
  5. Step 5: Solve for x
    x = 38,216,788,498,100.22/6,384,212.60
  6. Step 6: Final answer
    x = 5,986,139.70

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Similar ratio
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1.5x scale

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.