Home / 1,832,949-2,750,385.78-1,331,654.58

Finding the Fourth Proportional to 1,832,949, 2,750,385.78 and 1,331,654.58

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Solution

The fourth proportional to 1,832,949, 2,750,385.78 and 1,331,654.58 is: 1,998,180.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832,949 : 2,750,385.78 = 1,331,654.58 : x
  2. Step 2: Convert to fraction form
    1,832,949/2,750,385.78 = 1,331,654.58/x
  3. Step 3: Cross multiply
    1,832,949x = 2,750,385.78 × 1,331,654.58
  4. Step 4: Simplify right side
    1,832,949x = 3,662,563,820,703.87
  5. Step 5: Solve for x
    x = 3,662,563,820,703.87/1,832,949
  6. Step 6: Final answer
    x = 1,998,180.98

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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.