Home / 5,188,561.20-7,761,846.60-4,558,705.20

Finding the Fourth Proportional to 5,188,561.20, 7,761,846.60 and 4,558,705.20

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Solution

The fourth proportional to 5,188,561.20, 7,761,846.60 and 4,558,705.20 is: 6,819,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,561.20 : 7,761,846.60 = 4,558,705.20 : x
  2. Step 2: Convert to fraction form
    5,188,561.20/7,761,846.60 = 4,558,705.20/x
  3. Step 3: Cross multiply
    5,188,561.20x = 7,761,846.60 × 4,558,705.20
  4. Step 4: Simplify right side
    5,188,561.20x = 35,383,970,457,022.32
  5. Step 5: Solve for x
    x = 35,383,970,457,022.32/5,188,561.20
  6. Step 6: Final answer
    x = 6,819,611.27

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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.