Home / 5,270,320.69-7,861,178.79-4,785,971.27

Finding the Fourth Proportional to 5,270,320.69, 7,861,178.79 and 4,785,971.27

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Solution

The fourth proportional to 5,270,320.69, 7,861,178.79 and 4,785,971.27 is: 7,138,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270,320.69 : 7,861,178.79 = 4,785,971.27 : x
  2. Step 2: Convert to fraction form
    5,270,320.69/7,861,178.79 = 4,785,971.27/x
  3. Step 3: Cross multiply
    5,270,320.69x = 7,861,178.79 × 4,785,971.27
  4. Step 4: Simplify right side
    5,270,320.69x = 37,623,375,797,967.47
  5. Step 5: Solve for x
    x = 37,623,375,797,967.47/5,270,320.69
  6. Step 6: Final answer
    x = 7,138,726.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.