Home / 1,644,264.46-2,269,044.91-919,197.41

Finding the Fourth Proportional to 1,644,264.46, 2,269,044.91 and 919,197.41

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Solution

The fourth proportional to 1,644,264.46, 2,269,044.91 and 919,197.41 is: 1,268,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,264.46 : 2,269,044.91 = 919,197.41 : x
  2. Step 2: Convert to fraction form
    1,644,264.46/2,269,044.91 = 919,197.41/x
  3. Step 3: Cross multiply
    1,644,264.46x = 2,269,044.91 × 919,197.41
  4. Step 4: Simplify right side
    1,644,264.46x = 2,085,700,204,445.68
  5. Step 5: Solve for x
    x = 2,085,700,204,445.68/1,644,264.46
  6. Step 6: Final answer
    x = 1,268,470.04

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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.