Home / 5,538,234.35-7,643,146.88-3,091,321.55

Finding the Fourth Proportional to 5,538,234.35, 7,643,146.88 and 3,091,321.55

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Solution

The fourth proportional to 5,538,234.35, 7,643,146.88 and 3,091,321.55 is: 4,266,237.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538,234.35 : 7,643,146.88 = 3,091,321.55 : x
  2. Step 2: Convert to fraction form
    5,538,234.35/7,643,146.88 = 3,091,321.55/x
  3. Step 3: Cross multiply
    5,538,234.35x = 7,643,146.88 × 3,091,321.55
  4. Step 4: Simplify right side
    5,538,234.35x = 23,627,424,659,959.26
  5. Step 5: Solve for x
    x = 23,627,424,659,959.26/5,538,234.35
  6. Step 6: Final answer
    x = 4,266,237.79

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Double scale
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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.