Home / 3,938,034.20-5,907,051.29-1,278,642.20

Finding the Fourth Proportional to 3,938,034.20, 5,907,051.29 and 1,278,642.20

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Solution

The fourth proportional to 3,938,034.20, 5,907,051.29 and 1,278,642.20 is: 1,917,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,034.20 : 5,907,051.29 = 1,278,642.20 : x
  2. Step 2: Convert to fraction form
    3,938,034.20/5,907,051.29 = 1,278,642.20/x
  3. Step 3: Cross multiply
    3,938,034.20x = 5,907,051.29 × 1,278,642.20
  4. Step 4: Simplify right side
    3,938,034.20x = 7,553,005,021,029.97
  5. Step 5: Solve for x
    x = 7,553,005,021,029.97/3,938,034.20
  6. Step 6: Final answer
    x = 1,917,963.29

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Similar ratio
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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.