Home / 5,107,938.44-7,661,686.19-1,269,679.66

Finding the Fourth Proportional to 5,107,938.44, 7,661,686.19 and 1,269,679.66

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Solution

The fourth proportional to 5,107,938.44, 7,661,686.19 and 1,269,679.66 is: 1,904,464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,938.44 : 7,661,686.19 = 1,269,679.66 : x
  2. Step 2: Convert to fraction form
    5,107,938.44/7,661,686.19 = 1,269,679.66/x
  3. Step 3: Cross multiply
    5,107,938.44x = 7,661,686.19 × 1,269,679.66
  4. Step 4: Simplify right side
    5,107,938.44x = 9,727,887,091,243.28
  5. Step 5: Solve for x
    x = 9,727,887,091,243.28/5,107,938.44
  6. Step 6: Final answer
    x = 1,904,464.44

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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.