Home / 2,489,834.58-3,436,030.26-1,387,340.52

Finding the Fourth Proportional to 2,489,834.58, 3,436,030.26 and 1,387,340.52

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Solution

The fourth proportional to 2,489,834.58, 3,436,030.26 and 1,387,340.52 is: 1,914,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,834.58 : 3,436,030.26 = 1,387,340.52 : x
  2. Step 2: Convert to fraction form
    2,489,834.58/3,436,030.26 = 1,387,340.52/x
  3. Step 3: Cross multiply
    2,489,834.58x = 3,436,030.26 × 1,387,340.52
  4. Step 4: Simplify right side
    2,489,834.58x = 4,766,944,007,644.14
  5. Step 5: Solve for x
    x = 4,766,944,007,644.14/2,489,834.58
  6. Step 6: Final answer
    x = 1,914,562.54

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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.