Home / 2,855,923.28-3,940,923.12-1,631,985.92

Finding the Fourth Proportional to 2,855,923.28, 3,940,923.12 and 1,631,985.92

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Solution

The fourth proportional to 2,855,923.28, 3,940,923.12 and 1,631,985.92 is: 2,251,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,923.28 : 3,940,923.12 = 1,631,985.92 : x
  2. Step 2: Convert to fraction form
    2,855,923.28/3,940,923.12 = 1,631,985.92/x
  3. Step 3: Cross multiply
    2,855,923.28x = 3,940,923.12 × 1,631,985.92
  4. Step 4: Simplify right side
    2,855,923.28x = 6,431,531,043,642.47
  5. Step 5: Solve for x
    x = 6,431,531,043,642.47/2,855,923.28
  6. Step 6: Final answer
    x = 2,251,997.13

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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.