Home / 5,281,768.56-7,288,847.88-2,867,320.56

Finding the Fourth Proportional to 5,281,768.56, 7,288,847.88 and 2,867,320.56

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Solution

The fourth proportional to 5,281,768.56, 7,288,847.88 and 2,867,320.56 is: 3,956,906.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,768.56 : 7,288,847.88 = 2,867,320.56 : x
  2. Step 2: Convert to fraction form
    5,281,768.56/7,288,847.88 = 2,867,320.56/x
  3. Step 3: Cross multiply
    5,281,768.56x = 7,288,847.88 × 2,867,320.56
  4. Step 4: Simplify right side
    5,281,768.56x = 20,899,463,385,036.41
  5. Step 5: Solve for x
    x = 20,899,463,385,036.41/5,281,768.56
  6. Step 6: Final answer
    x = 3,956,906.32

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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.