Home / 3,168,489-4,372,791.36-1,737,981.48

Finding the Fourth Proportional to 3,168,489, 4,372,791.36 and 1,737,981.48

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Solution

The fourth proportional to 3,168,489, 4,372,791.36 and 1,737,981.48 is: 2,398,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,489 : 4,372,791.36 = 1,737,981.48 : x
  2. Step 2: Convert to fraction form
    3,168,489/4,372,791.36 = 1,737,981.48/x
  3. Step 3: Cross multiply
    3,168,489x = 4,372,791.36 × 1,737,981.48
  4. Step 4: Simplify right side
    3,168,489x = 7,599,830,399,584.01
  5. Step 5: Solve for x
    x = 7,599,830,399,584.01/3,168,489
  6. Step 6: Final answer
    x = 2,398,566.13

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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.