Home / 2,071,620.49-2,858,979.96-1,255,858.56

Finding the Fourth Proportional to 2,071,620.49, 2,858,979.96 and 1,255,858.56

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Solution

The fourth proportional to 2,071,620.49, 2,858,979.96 and 1,255,858.56 is: 1,733,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,620.49 : 2,858,979.96 = 1,255,858.56 : x
  2. Step 2: Convert to fraction form
    2,071,620.49/2,858,979.96 = 1,255,858.56/x
  3. Step 3: Cross multiply
    2,071,620.49x = 2,858,979.96 × 1,255,858.56
  4. Step 4: Simplify right side
    2,071,620.49x = 3,590,474,455,634.46
  5. Step 5: Solve for x
    x = 3,590,474,455,634.46/2,071,620.49
  6. Step 6: Final answer
    x = 1,733,171.92

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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.