Home / 2,856,954.39-3,942,710.78-1,567,840.92

Finding the Fourth Proportional to 2,856,954.39, 3,942,710.78 and 1,567,840.92

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Solution

The fourth proportional to 2,856,954.39, 3,942,710.78 and 1,567,840.92 is: 2,163,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,954.39 : 3,942,710.78 = 1,567,840.92 : x
  2. Step 2: Convert to fraction form
    2,856,954.39/3,942,710.78 = 1,567,840.92/x
  3. Step 3: Cross multiply
    2,856,954.39x = 3,942,710.78 × 1,567,840.92
  4. Step 4: Simplify right side
    2,856,954.39x = 6,181,543,296,609.12
  5. Step 5: Solve for x
    x = 6,181,543,296,609.12/2,856,954.39
  6. Step 6: Final answer
    x = 2,163,682.88

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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.