Home / 3,215,408.96-4,437,149.42-1,819,940.65

Finding the Fourth Proportional to 3,215,408.96, 4,437,149.42 and 1,819,940.65

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Solution

The fourth proportional to 3,215,408.96, 4,437,149.42 and 1,819,940.65 is: 2,511,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,408.96 : 4,437,149.42 = 1,819,940.65 : x
  2. Step 2: Convert to fraction form
    3,215,408.96/4,437,149.42 = 1,819,940.65/x
  3. Step 3: Cross multiply
    3,215,408.96x = 4,437,149.42 × 1,819,940.65
  4. Step 4: Simplify right side
    3,215,408.96x = 8,075,348,593,038.90
  5. Step 5: Solve for x
    x = 8,075,348,593,038.90/3,215,408.96
  6. Step 6: Final answer
    x = 2,511,453.03

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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.