Home / 2,059,412.20-3,089,993.10-993,905.80

Finding the Fourth Proportional to 2,059,412.20, 3,089,993.10 and 993,905.80

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Solution

The fourth proportional to 2,059,412.20, 3,089,993.10 and 993,905.80 is: 1,491,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059,412.20 : 3,089,993.10 = 993,905.80 : x
  2. Step 2: Convert to fraction form
    2,059,412.20/3,089,993.10 = 993,905.80/x
  3. Step 3: Cross multiply
    2,059,412.20x = 3,089,993.10 × 993,905.80
  4. Step 4: Simplify right side
    2,059,412.20x = 3,071,162,064,049.98
  5. Step 5: Solve for x
    x = 3,071,162,064,049.98/2,059,412.20
  6. Step 6: Final answer
    x = 1,491,280.89

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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.