Home / 6,644,786.20-9,969,390.60-2,385,287.80

Finding the Fourth Proportional to 6,644,786.20, 9,969,390.60 and 2,385,287.80

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Solution

The fourth proportional to 6,644,786.20, 9,969,390.60 and 2,385,287.80 is: 3,578,725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644,786.20 : 9,969,390.60 = 2,385,287.80 : x
  2. Step 2: Convert to fraction form
    6,644,786.20/9,969,390.60 = 2,385,287.80/x
  3. Step 3: Cross multiply
    6,644,786.20x = 9,969,390.60 × 2,385,287.80
  4. Step 4: Simplify right side
    6,644,786.20x = 23,779,865,771,614.68
  5. Step 5: Solve for x
    x = 23,779,865,771,614.68/6,644,786.20
  6. Step 6: Final answer
    x = 3,578,725.49

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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.