Home / 3,138,796.16-4,707,087.36-1,008,160.64

Finding the Fourth Proportional to 3,138,796.16, 4,707,087.36 and 1,008,160.64

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Solution

The fourth proportional to 3,138,796.16, 4,707,087.36 and 1,008,160.64 is: 1,511,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,796.16 : 4,707,087.36 = 1,008,160.64 : x
  2. Step 2: Convert to fraction form
    3,138,796.16/4,707,087.36 = 1,008,160.64/x
  3. Step 3: Cross multiply
    3,138,796.16x = 4,707,087.36 × 1,008,160.64
  4. Step 4: Simplify right side
    3,138,796.16x = 4,745,500,205,393.51
  5. Step 5: Solve for x
    x = 4,745,500,205,393.51/3,138,796.16
  6. Step 6: Final answer
    x = 1,511,885.44

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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.