Home / 5,274,840-7,279,279.20-2,860,393.92

Finding the Fourth Proportional to 5,274,840, 7,279,279.20 and 2,860,393.92

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Solution

The fourth proportional to 5,274,840, 7,279,279.20 and 2,860,393.92 is: 3,947,343.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274,840 : 7,279,279.20 = 2,860,393.92 : x
  2. Step 2: Convert to fraction form
    5,274,840/7,279,279.20 = 2,860,393.92/x
  3. Step 3: Cross multiply
    5,274,840x = 7,279,279.20 × 2,860,393.92
  4. Step 4: Simplify right side
    5,274,840x = 20,821,605,965,662.46
  5. Step 5: Solve for x
    x = 20,821,605,965,662.46/5,274,840
  6. Step 6: Final answer
    x = 3,947,343.61

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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.