Home / 5,279,288.63-7,285,418.31-2,864,840.63

Finding the Fourth Proportional to 5,279,288.63, 7,285,418.31 and 2,864,840.63

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Solution

The fourth proportional to 5,279,288.63, 7,285,418.31 and 2,864,840.63 is: 3,953,480.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,288.63 : 7,285,418.31 = 2,864,840.63 : x
  2. Step 2: Convert to fraction form
    5,279,288.63/7,285,418.31 = 2,864,840.63/x
  3. Step 3: Cross multiply
    5,279,288.63x = 7,285,418.31 × 2,864,840.63
  4. Step 4: Simplify right side
    5,279,288.63x = 20,871,562,366,709.73
  5. Step 5: Solve for x
    x = 20,871,562,366,709.73/5,279,288.63
  6. Step 6: Final answer
    x = 3,953,480.07

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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.