Home / 2,251,866.78-3,107,798.01-1,285,142.58

Finding the Fourth Proportional to 2,251,866.78, 3,107,798.01 and 1,285,142.58

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Solution

The fourth proportional to 2,251,866.78, 3,107,798.01 and 1,285,142.58 is: 1,773,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,866.78 : 3,107,798.01 = 1,285,142.58 : x
  2. Step 2: Convert to fraction form
    2,251,866.78/3,107,798.01 = 1,285,142.58/x
  3. Step 3: Cross multiply
    2,251,866.78x = 3,107,798.01 × 1,285,142.58
  4. Step 4: Simplify right side
    2,251,866.78x = 3,993,963,552,690.27
  5. Step 5: Solve for x
    x = 3,993,963,552,690.27/2,251,866.78
  6. Step 6: Final answer
    x = 1,773,623.37

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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.