Home / 2,591,405.80-3,885,942.30-993,437.80

Finding the Fourth Proportional to 2,591,405.80, 3,885,942.30 and 993,437.80

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Solution

The fourth proportional to 2,591,405.80, 3,885,942.30 and 993,437.80 is: 1,489,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,405.80 : 3,885,942.30 = 993,437.80 : x
  2. Step 2: Convert to fraction form
    2,591,405.80/3,885,942.30 = 993,437.80/x
  3. Step 3: Cross multiply
    2,591,405.80x = 3,885,942.30 × 993,437.80
  4. Step 4: Simplify right side
    2,591,405.80x = 3,860,441,969,438.94
  5. Step 5: Solve for x
    x = 3,860,441,969,438.94/2,591,405.80
  6. Step 6: Final answer
    x = 1,489,709.55

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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.