Home / 2,744,079.72-3,788,146.34-1,928,982.12

Finding the Fourth Proportional to 2,744,079.72, 3,788,146.34 and 1,928,982.12

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Solution

The fourth proportional to 2,744,079.72, 3,788,146.34 and 1,928,982.12 is: 2,662,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744,079.72 : 3,788,146.34 = 1,928,982.12 : x
  2. Step 2: Convert to fraction form
    2,744,079.72/3,788,146.34 = 1,928,982.12/x
  3. Step 3: Cross multiply
    2,744,079.72x = 3,788,146.34 × 1,928,982.12
  4. Step 4: Simplify right side
    2,744,079.72x = 7,307,266,557,803.44
  5. Step 5: Solve for x
    x = 7,307,266,557,803.44/2,744,079.72
  6. Step 6: Final answer
    x = 2,662,920.65

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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.