Home / 3,453,121.60-5,179,682.40-3,431,003.20

Finding the Fourth Proportional to 3,453,121.60, 5,179,682.40 and 3,431,003.20

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Solution

The fourth proportional to 3,453,121.60, 5,179,682.40 and 3,431,003.20 is: 5,146,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453,121.60 : 5,179,682.40 = 3,431,003.20 : x
  2. Step 2: Convert to fraction form
    3,453,121.60/5,179,682.40 = 3,431,003.20/x
  3. Step 3: Cross multiply
    3,453,121.60x = 5,179,682.40 × 3,431,003.20
  4. Step 4: Simplify right side
    3,453,121.60x = 17,771,506,889,383.68
  5. Step 5: Solve for x
    x = 17,771,506,889,383.68/3,453,121.60
  6. Step 6: Final answer
    x = 5,146,504.80

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Similar ratio
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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.