Home / 6,292,940.78-8,684,925-3,846,983.78

Finding the Fourth Proportional to 6,292,940.78, 8,684,925 and 3,846,983.78

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Solution

The fourth proportional to 6,292,940.78, 8,684,925 and 3,846,983.78 is: 5,309,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,292,940.78 : 8,684,925 = 3,846,983.78 : x
  2. Step 2: Convert to fraction form
    6,292,940.78/8,684,925 = 3,846,983.78/x
  3. Step 3: Cross multiply
    6,292,940.78x = 8,684,925 × 3,846,983.78
  4. Step 4: Simplify right side
    6,292,940.78x = 33,410,765,605,516.50
  5. Step 5: Solve for x
    x = 33,410,765,605,516.50/6,292,940.78
  6. Step 6: Final answer
    x = 5,309,245.20

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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.