Home / 4,789,816-7,187,897.24-2,632,347.78

Finding the Fourth Proportional to 4,789,816, 7,187,897.24 and 2,632,347.78

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Solution

The fourth proportional to 4,789,816, 7,187,897.24 and 2,632,347.78 is: 3,950,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789,816 : 7,187,897.24 = 2,632,347.78 : x
  2. Step 2: Convert to fraction form
    4,789,816/7,187,897.24 = 2,632,347.78/x
  3. Step 3: Cross multiply
    4,789,816x = 7,187,897.24 × 2,632,347.78
  4. Step 4: Simplify right side
    4,789,816x = 18,921,045,342,582.12
  5. Step 5: Solve for x
    x = 18,921,045,342,582.12/4,789,816
  6. Step 6: Final answer
    x = 3,950,265.59

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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.