Home / 5,905,421.50-8,149,481.78-3,189,167.50

Finding the Fourth Proportional to 5,905,421.50, 8,149,481.78 and 3,189,167.50

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Solution

The fourth proportional to 5,905,421.50, 8,149,481.78 and 3,189,167.50 is: 4,401,051.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905,421.50 : 8,149,481.78 = 3,189,167.50 : x
  2. Step 2: Convert to fraction form
    5,905,421.50/8,149,481.78 = 3,189,167.50/x
  3. Step 3: Cross multiply
    5,905,421.50x = 8,149,481.78 × 3,189,167.50
  4. Step 4: Simplify right side
    5,905,421.50x = 25,990,062,434,618.15
  5. Step 5: Solve for x
    x = 25,990,062,434,618.15/5,905,421.50
  6. Step 6: Final answer
    x = 4,401,051.21

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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.