Home / 5,905,478.66-8,149,559.78-3,189,224.66

Finding the Fourth Proportional to 5,905,478.66, 8,149,559.78 and 3,189,224.66

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Solution

The fourth proportional to 5,905,478.66, 8,149,559.78 and 3,189,224.66 is: 4,401,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905,478.66 : 8,149,559.78 = 3,189,224.66 : x
  2. Step 2: Convert to fraction form
    5,905,478.66/8,149,559.78 = 3,189,224.66/x
  3. Step 3: Cross multiply
    5,905,478.66x = 8,149,559.78 × 3,189,224.66
  4. Step 4: Simplify right side
    5,905,478.66x = 25,990,776,985,745.43
  5. Step 5: Solve for x
    x = 25,990,776,985,745.43/5,905,478.66
  6. Step 6: Final answer
    x = 4,401,129.61

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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.