Home / 3,215,408.44-4,437,148.80-1,819,940.20

Finding the Fourth Proportional to 3,215,408.44, 4,437,148.80 and 1,819,940.20

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Solution

The fourth proportional to 3,215,408.44, 4,437,148.80 and 1,819,940.20 is: 2,511,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,408.44 : 4,437,148.80 = 1,819,940.20 : x
  2. Step 2: Convert to fraction form
    3,215,408.44/4,437,148.80 = 1,819,940.20/x
  3. Step 3: Cross multiply
    3,215,408.44x = 4,437,148.80 × 1,819,940.20
  4. Step 4: Simplify right side
    3,215,408.44x = 8,075,345,474,501.76
  5. Step 5: Solve for x
    x = 8,075,345,474,501.76/3,215,408.44
  6. Step 6: Final answer
    x = 2,511,452.47

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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.