Home / 5,431,620.60-8,153,651.70-3,189,022.20

Finding the Fourth Proportional to 5,431,620.60, 8,153,651.70 and 3,189,022.20

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Solution

The fourth proportional to 5,431,620.60, 8,153,651.70 and 3,189,022.20 is: 4,787,185.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,620.60 : 8,153,651.70 = 3,189,022.20 : x
  2. Step 2: Convert to fraction form
    5,431,620.60/8,153,651.70 = 3,189,022.20/x
  3. Step 3: Cross multiply
    5,431,620.60x = 8,153,651.70 × 3,189,022.20
  4. Step 4: Simplify right side
    5,431,620.60x = 26,002,176,282,367.74
  5. Step 5: Solve for x
    x = 26,002,176,282,367.74/5,431,620.60
  6. Step 6: Final answer
    x = 4,787,185.67

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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.