Home / 2,785,311-4,179,834.36-1,012,383

Finding the Fourth Proportional to 2,785,311, 4,179,834.36 and 1,012,383

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Solution

The fourth proportional to 2,785,311, 4,179,834.36 and 1,012,383 is: 1,519,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,311 : 4,179,834.36 = 1,012,383 : x
  2. Step 2: Convert to fraction form
    2,785,311/4,179,834.36 = 1,012,383/x
  3. Step 3: Cross multiply
    2,785,311x = 4,179,834.36 × 1,012,383
  4. Step 4: Simplify right side
    2,785,311x = 4,231,593,248,879.88
  5. Step 5: Solve for x
    x = 4,231,593,248,879.88/2,785,311
  6. Step 6: Final answer
    x = 1,519,253.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.