Home / 6,320,780.36-8,721,154.42-3,839,929

Finding the Fourth Proportional to 6,320,780.36, 8,721,154.42 and 3,839,929

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Solution

The fourth proportional to 6,320,780.36, 8,721,154.42 and 3,839,929 is: 5,298,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320,780.36 : 8,721,154.42 = 3,839,929 : x
  2. Step 2: Convert to fraction form
    6,320,780.36/8,721,154.42 = 3,839,929/x
  3. Step 3: Cross multiply
    6,320,780.36x = 8,721,154.42 × 3,839,929
  4. Step 4: Simplify right side
    6,320,780.36x = 33,488,613,770,836.18
  5. Step 5: Solve for x
    x = 33,488,613,770,836.18/6,320,780.36
  6. Step 6: Final answer
    x = 5,298,177.10

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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.