Home / 5,489,138.88-7,578,792.54-4,197,729.96

Finding the Fourth Proportional to 5,489,138.88, 7,578,792.54 and 4,197,729.96

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Solution

The fourth proportional to 5,489,138.88, 7,578,792.54 and 4,197,729.96 is: 5,795,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489,138.88 : 7,578,792.54 = 4,197,729.96 : x
  2. Step 2: Convert to fraction form
    5,489,138.88/7,578,792.54 = 4,197,729.96/x
  3. Step 3: Cross multiply
    5,489,138.88x = 7,578,792.54 × 4,197,729.96
  4. Step 4: Simplify right side
    5,489,138.88x = 31,813,724,505,782.50
  5. Step 5: Solve for x
    x = 31,813,724,505,782.50/5,489,138.88
  6. Step 6: Final answer
    x = 5,795,758.72

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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.