Home / 1,731,269.74-2,608,721.79-1,422,640.30

Finding the Fourth Proportional to 1,731,269.74, 2,608,721.79 and 1,422,640.30

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Solution

The fourth proportional to 1,731,269.74, 2,608,721.79 and 1,422,640.30 is: 2,143,671.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,269.74 : 2,608,721.79 = 1,422,640.30 : x
  2. Step 2: Convert to fraction form
    1,731,269.74/2,608,721.79 = 1,422,640.30/x
  3. Step 3: Cross multiply
    1,731,269.74x = 2,608,721.79 × 1,422,640.30
  4. Step 4: Simplify right side
    1,731,269.74x = 3,711,272,749,942.14
  5. Step 5: Solve for x
    x = 3,711,272,749,942.14/1,731,269.74
  6. Step 6: Final answer
    x = 2,143,671.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.