Home / 4,431,131.73-6,647,405.94-1,872,370.89

Finding the Fourth Proportional to 4,431,131.73, 6,647,405.94 and 1,872,370.89

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Solution

The fourth proportional to 4,431,131.73, 6,647,405.94 and 1,872,370.89 is: 2,808,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431,131.73 : 6,647,405.94 = 1,872,370.89 : x
  2. Step 2: Convert to fraction form
    4,431,131.73/6,647,405.94 = 1,872,370.89/x
  3. Step 3: Cross multiply
    4,431,131.73x = 6,647,405.94 × 1,872,370.89
  4. Step 4: Simplify right side
    4,431,131.73x = 12,446,409,376,069.09
  5. Step 5: Solve for x
    x = 12,446,409,376,069.09/4,431,131.73
  6. Step 6: Final answer
    x = 2,808,855.65

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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.