Home / 4,320,531.20-6,479,241.60-2,189,907.20

Finding the Fourth Proportional to 4,320,531.20, 6,479,241.60 and 2,189,907.20

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Solution

The fourth proportional to 4,320,531.20, 6,479,241.60 and 2,189,907.20 is: 3,284,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320,531.20 : 6,479,241.60 = 2,189,907.20 : x
  2. Step 2: Convert to fraction form
    4,320,531.20/6,479,241.60 = 2,189,907.20/x
  3. Step 3: Cross multiply
    4,320,531.20x = 6,479,241.60 × 2,189,907.20
  4. Step 4: Simplify right side
    4,320,531.20x = 14,188,937,830,379.52
  5. Step 5: Solve for x
    x = 14,188,937,830,379.52/4,320,531.20
  6. Step 6: Final answer
    x = 3,284,072.53

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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.