Home / 5,150,148.96-7,106,874.48-2,858,311.20

Finding the Fourth Proportional to 5,150,148.96, 7,106,874.48 and 2,858,311.20

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Solution

The fourth proportional to 5,150,148.96, 7,106,874.48 and 2,858,311.20 is: 3,944,285.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150,148.96 : 7,106,874.48 = 2,858,311.20 : x
  2. Step 2: Convert to fraction form
    5,150,148.96/7,106,874.48 = 2,858,311.20/x
  3. Step 3: Cross multiply
    5,150,148.96x = 7,106,874.48 × 2,858,311.20
  4. Step 4: Simplify right side
    5,150,148.96x = 20,313,658,923,178.18
  5. Step 5: Solve for x
    x = 20,313,658,923,178.18/5,150,148.96
  6. Step 6: Final answer
    x = 3,944,285.71

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1.5x scale

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.