Home / 4,320,110.60-6,480,163.82-1,287,399.07

Finding the Fourth Proportional to 4,320,110.60, 6,480,163.82 and 1,287,399.07

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Solution

The fourth proportional to 4,320,110.60, 6,480,163.82 and 1,287,399.07 is: 1,931,097.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320,110.60 : 6,480,163.82 = 1,287,399.07 : x
  2. Step 2: Convert to fraction form
    4,320,110.60/6,480,163.82 = 1,287,399.07/x
  3. Step 3: Cross multiply
    4,320,110.60x = 6,480,163.82 × 1,287,399.07
  4. Step 4: Simplify right side
    4,320,110.60x = 8,342,556,850,183.43
  5. Step 5: Solve for x
    x = 8,342,556,850,183.43/4,320,110.60
  6. Step 6: Final answer
    x = 1,931,097.98

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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.