Home / 5,428,879.26-7,494,761.96-4,185,774.55

Finding the Fourth Proportional to 5,428,879.26, 7,494,761.96 and 4,185,774.55

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Solution

The fourth proportional to 5,428,879.26, 7,494,761.96 and 4,185,774.55 is: 5,778,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,879.26 : 7,494,761.96 = 4,185,774.55 : x
  2. Step 2: Convert to fraction form
    5,428,879.26/7,494,761.96 = 4,185,774.55/x
  3. Step 3: Cross multiply
    5,428,879.26x = 7,494,761.96 × 4,185,774.55
  4. Step 4: Simplify right side
    5,428,879.26x = 31,371,383,870,476.12
  5. Step 5: Solve for x
    x = 31,371,383,870,476.12/5,428,879.26
  6. Step 6: Final answer
    x = 5,778,611.45

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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.