Home / 3,758,864.12-5,638,296.20-918,942.56

Finding the Fourth Proportional to 3,758,864.12, 5,638,296.20 and 918,942.56

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Solution

The fourth proportional to 3,758,864.12, 5,638,296.20 and 918,942.56 is: 1,378,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758,864.12 : 5,638,296.20 = 918,942.56 : x
  2. Step 2: Convert to fraction form
    3,758,864.12/5,638,296.20 = 918,942.56/x
  3. Step 3: Cross multiply
    3,758,864.12x = 5,638,296.20 × 918,942.56
  4. Step 4: Simplify right side
    3,758,864.12x = 5,181,270,344,066.27
  5. Step 5: Solve for x
    x = 5,181,270,344,066.27/3,758,864.12
  6. Step 6: Final answer
    x = 1,378,413.84

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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.