Home / 4,942,823.20-7,414,234.80-3,980,672.80

Finding the Fourth Proportional to 4,942,823.20, 7,414,234.80 and 3,980,672.80

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Solution

The fourth proportional to 4,942,823.20, 7,414,234.80 and 3,980,672.80 is: 5,971,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942,823.20 : 7,414,234.80 = 3,980,672.80 : x
  2. Step 2: Convert to fraction form
    4,942,823.20/7,414,234.80 = 3,980,672.80/x
  3. Step 3: Cross multiply
    4,942,823.20x = 7,414,234.80 × 3,980,672.80
  4. Step 4: Simplify right side
    4,942,823.20x = 29,513,642,801,173.44
  5. Step 5: Solve for x
    x = 29,513,642,801,173.44/4,942,823.20
  6. Step 6: Final answer
    x = 5,971,009.20

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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.