Home / 5,135,349.38-7,086,695.51-2,843,460.86

Finding the Fourth Proportional to 5,135,349.38, 7,086,695.51 and 2,843,460.86

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Solution

The fourth proportional to 5,135,349.38, 7,086,695.51 and 2,843,460.86 is: 3,923,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,349.38 : 7,086,695.51 = 2,843,460.86 : x
  2. Step 2: Convert to fraction form
    5,135,349.38/7,086,695.51 = 2,843,460.86/x
  3. Step 3: Cross multiply
    5,135,349.38x = 7,086,695.51 × 2,843,460.86
  4. Step 4: Simplify right side
    5,135,349.38x = 20,150,741,281,097.91
  5. Step 5: Solve for x
    x = 20,150,741,281,097.91/5,135,349.38
  6. Step 6: Final answer
    x = 3,923,928.02

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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.