Home / 3,261,146.10-4,891,687.82-1,982,106.49

Finding the Fourth Proportional to 3,261,146.10, 4,891,687.82 and 1,982,106.49

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Solution

The fourth proportional to 3,261,146.10, 4,891,687.82 and 1,982,106.49 is: 2,973,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261,146.10 : 4,891,687.82 = 1,982,106.49 : x
  2. Step 2: Convert to fraction form
    3,261,146.10/4,891,687.82 = 1,982,106.49/x
  3. Step 3: Cross multiply
    3,261,146.10x = 4,891,687.82 × 1,982,106.49
  4. Step 4: Simplify right side
    3,261,146.10x = 9,695,846,175,075.95
  5. Step 5: Solve for x
    x = 9,695,846,175,075.95/3,261,146.10
  6. Step 6: Final answer
    x = 2,973,140.69

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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.