Home / 5,160,019.64-7,120,647.74-3,324,555.30

Finding the Fourth Proportional to 5,160,019.64, 7,120,647.74 and 3,324,555.30

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Solution

The fourth proportional to 5,160,019.64, 7,120,647.74 and 3,324,555.30 is: 4,587,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,019.64 : 7,120,647.74 = 3,324,555.30 : x
  2. Step 2: Convert to fraction form
    5,160,019.64/7,120,647.74 = 3,324,555.30/x
  3. Step 3: Cross multiply
    5,160,019.64x = 7,120,647.74 × 3,324,555.30
  4. Step 4: Simplify right side
    5,160,019.64x = 23,672,987,183,450.02
  5. Step 5: Solve for x
    x = 23,672,987,183,450.02/5,160,019.64
  6. Step 6: Final answer
    x = 4,587,770.75

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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.