Home / 1,625,976.90-2,438,448.66-1,519,836.32

Finding the Fourth Proportional to 1,625,976.90, 2,438,448.66 and 1,519,836.32

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Solution

The fourth proportional to 1,625,976.90, 2,438,448.66 and 1,519,836.32 is: 2,279,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,976.90 : 2,438,448.66 = 1,519,836.32 : x
  2. Step 2: Convert to fraction form
    1,625,976.90/2,438,448.66 = 1,519,836.32/x
  3. Step 3: Cross multiply
    1,625,976.90x = 2,438,448.66 × 1,519,836.32
  4. Step 4: Simplify right side
    1,625,976.90x = 3,706,042,825,731.09
  5. Step 5: Solve for x
    x = 3,706,042,825,731.09/1,625,976.90
  6. Step 6: Final answer
    x = 2,279,271.51

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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.