Home / 1,644,262.46-2,269,042.16-919,195.41

Finding the Fourth Proportional to 1,644,262.46, 2,269,042.16 and 919,195.41

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Solution

The fourth proportional to 1,644,262.46, 2,269,042.16 and 919,195.41 is: 1,268,467.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,262.46 : 2,269,042.16 = 919,195.41 : x
  2. Step 2: Convert to fraction form
    1,644,262.46/2,269,042.16 = 919,195.41/x
  3. Step 3: Cross multiply
    1,644,262.46x = 2,269,042.16 × 919,195.41
  4. Step 4: Simplify right side
    1,644,262.46x = 2,085,693,133,972.51
  5. Step 5: Solve for x
    x = 2,085,693,133,972.51/1,644,262.46
  6. Step 6: Final answer
    x = 1,268,467.29

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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.