Home / 2,631,383.70-3,631,308.44-1,424,159.70

Finding the Fourth Proportional to 2,631,383.70, 3,631,308.44 and 1,424,159.70

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Solution

The fourth proportional to 2,631,383.70, 3,631,308.44 and 1,424,159.70 is: 1,965,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,383.70 : 3,631,308.44 = 1,424,159.70 : x
  2. Step 2: Convert to fraction form
    2,631,383.70/3,631,308.44 = 1,424,159.70/x
  3. Step 3: Cross multiply
    2,631,383.70x = 3,631,308.44 × 1,424,159.70
  4. Step 4: Simplify right side
    2,631,383.70x = 5,171,563,138,517.87
  5. Step 5: Solve for x
    x = 5,171,563,138,517.87/2,631,383.70
  6. Step 6: Final answer
    x = 1,965,339.81

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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.