Home / 1,990,907.37-2,747,454.93-1,085,489.37

Finding the Fourth Proportional to 1,990,907.37, 2,747,454.93 and 1,085,489.37

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Solution

The fourth proportional to 1,990,907.37, 2,747,454.93 and 1,085,489.37 is: 1,497,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,907.37 : 2,747,454.93 = 1,085,489.37 : x
  2. Step 2: Convert to fraction form
    1,990,907.37/2,747,454.93 = 1,085,489.37/x
  3. Step 3: Cross multiply
    1,990,907.37x = 2,747,454.93 × 1,085,489.37
  4. Step 4: Simplify right side
    1,990,907.37x = 2,982,333,121,069.10
  5. Step 5: Solve for x
    x = 2,982,333,121,069.10/1,990,907.37
  6. Step 6: Final answer
    x = 1,497,976.84

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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.