Home / 3,468,696.72-4,783,620.84-2,978,499.36

Finding the Fourth Proportional to 3,468,696.72, 4,783,620.84 and 2,978,499.36

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Solution

The fourth proportional to 3,468,696.72, 4,783,620.84 and 2,978,499.36 is: 4,107,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,696.72 : 4,783,620.84 = 2,978,499.36 : x
  2. Step 2: Convert to fraction form
    3,468,696.72/4,783,620.84 = 2,978,499.36/x
  3. Step 3: Cross multiply
    3,468,696.72x = 4,783,620.84 × 2,978,499.36
  4. Step 4: Simplify right side
    3,468,696.72x = 14,248,011,610,422.66
  5. Step 5: Solve for x
    x = 14,248,011,610,422.66/3,468,696.72
  6. Step 6: Final answer
    x = 4,107,597.97

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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.