Home / 3,930,450.11-5,424,268.90-2,381,847.19

Finding the Fourth Proportional to 3,930,450.11, 5,424,268.90 and 2,381,847.19

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Solution

The fourth proportional to 3,930,450.11, 5,424,268.90 and 2,381,847.19 is: 3,287,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,450.11 : 5,424,268.90 = 2,381,847.19 : x
  2. Step 2: Convert to fraction form
    3,930,450.11/5,424,268.90 = 2,381,847.19/x
  3. Step 3: Cross multiply
    3,930,450.11x = 5,424,268.90 × 2,381,847.19
  4. Step 4: Simplify right side
    3,930,450.11x = 12,919,779,610,148.05
  5. Step 5: Solve for x
    x = 12,919,779,610,148.05/3,930,450.11
  6. Step 6: Final answer
    x = 3,287,099.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.