Home / 5,183,820.96-7,779,202.20-2,151,189.78

Finding the Fourth Proportional to 5,183,820.96, 7,779,202.20 and 2,151,189.78

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Solution

The fourth proportional to 5,183,820.96, 7,779,202.20 and 2,151,189.78 is: 3,228,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,820.96 : 7,779,202.20 = 2,151,189.78 : x
  2. Step 2: Convert to fraction form
    5,183,820.96/7,779,202.20 = 2,151,189.78/x
  3. Step 3: Cross multiply
    5,183,820.96x = 7,779,202.20 × 2,151,189.78
  4. Step 4: Simplify right side
    5,183,820.96x = 16,734,540,269,193.52
  5. Step 5: Solve for x
    x = 16,734,540,269,193.52/5,183,820.96
  6. Step 6: Final answer
    x = 3,228,224.97

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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.