Home / 2,641,619.76-3,959,664.09-1,105,495.29

Finding the Fourth Proportional to 2,641,619.76, 3,959,664.09 and 1,105,495.29

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Solution

The fourth proportional to 2,641,619.76, 3,959,664.09 and 1,105,495.29 is: 1,657,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641,619.76 : 3,959,664.09 = 1,105,495.29 : x
  2. Step 2: Convert to fraction form
    2,641,619.76/3,959,664.09 = 1,105,495.29/x
  3. Step 3: Cross multiply
    2,641,619.76x = 3,959,664.09 × 1,105,495.29
  4. Step 4: Simplify right side
    2,641,619.76x = 4,377,389,995,949.66
  5. Step 5: Solve for x
    x = 4,377,389,995,949.66/2,641,619.76
  6. Step 6: Final answer
    x = 1,657,085.58

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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.