Home / 5,173,286.66-7,139,137.83-2,999,090.30

Finding the Fourth Proportional to 5,173,286.66, 7,139,137.83 and 2,999,090.30

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Solution

The fourth proportional to 5,173,286.66, 7,139,137.83 and 2,999,090.30 is: 4,138,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,286.66 : 7,139,137.83 = 2,999,090.30 : x
  2. Step 2: Convert to fraction form
    5,173,286.66/7,139,137.83 = 2,999,090.30/x
  3. Step 3: Cross multiply
    5,173,286.66x = 7,139,137.83 × 2,999,090.30
  4. Step 4: Simplify right side
    5,173,286.66x = 21,410,919,016,316.05
  5. Step 5: Solve for x
    x = 21,410,919,016,316.05/5,173,286.66
  6. Step 6: Final answer
    x = 4,138,745.91

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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.