Home / 2,153,120.37-3,229,573.20-805,183.88

Finding the Fourth Proportional to 2,153,120.37, 3,229,573.20 and 805,183.88

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Solution

The fourth proportional to 2,153,120.37, 3,229,573.20 and 805,183.88 is: 1,207,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,120.37 : 3,229,573.20 = 805,183.88 : x
  2. Step 2: Convert to fraction form
    2,153,120.37/3,229,573.20 = 805,183.88/x
  3. Step 3: Cross multiply
    2,153,120.37x = 3,229,573.20 × 805,183.88
  4. Step 4: Simplify right side
    2,153,120.37x = 2,600,400,263,772.15
  5. Step 5: Solve for x
    x = 2,600,400,263,772.15/2,153,120.37
  6. Step 6: Final answer
    x = 1,207,735.67

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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.