Home / 2,106,714.91-2,907,349.08-1,188,976.11

Finding the Fourth Proportional to 2,106,714.91, 2,907,349.08 and 1,188,976.11

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Solution

The fourth proportional to 2,106,714.91, 2,907,349.08 and 1,188,976.11 is: 1,640,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,714.91 : 2,907,349.08 = 1,188,976.11 : x
  2. Step 2: Convert to fraction form
    2,106,714.91/2,907,349.08 = 1,188,976.11/x
  3. Step 3: Cross multiply
    2,106,714.91x = 2,907,349.08 × 1,188,976.11
  4. Step 4: Simplify right side
    2,106,714.91x = 3,456,768,599,550.48
  5. Step 5: Solve for x
    x = 3,456,768,599,550.48/2,106,714.91
  6. Step 6: Final answer
    x = 1,640,833.60

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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.