Home / 1,668,286.43-2,498,388.56-1,154,511.90

Finding the Fourth Proportional to 1,668,286.43, 2,498,388.56 and 1,154,511.90

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Solution

The fourth proportional to 1,668,286.43, 2,498,388.56 and 1,154,511.90 is: 1,728,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,286.43 : 2,498,388.56 = 1,154,511.90 : x
  2. Step 2: Convert to fraction form
    1,668,286.43/2,498,388.56 = 1,154,511.90/x
  3. Step 3: Cross multiply
    1,668,286.43x = 2,498,388.56 × 1,154,511.90
  4. Step 4: Simplify right side
    1,668,286.43x = 2,884,419,317,571.31
  5. Step 5: Solve for x
    x = 2,884,419,317,571.31/1,668,286.43
  6. Step 6: Final answer
    x = 1,728,971.28

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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.