Home / 2,542,926.38-3,509,239.82-1,397,080.53

Finding the Fourth Proportional to 2,542,926.38, 3,509,239.82 and 1,397,080.53

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Solution

The fourth proportional to 2,542,926.38, 3,509,239.82 and 1,397,080.53 is: 1,927,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542,926.38 : 3,509,239.82 = 1,397,080.53 : x
  2. Step 2: Convert to fraction form
    2,542,926.38/3,509,239.82 = 1,397,080.53/x
  3. Step 3: Cross multiply
    2,542,926.38x = 3,509,239.82 × 1,397,080.53
  4. Step 4: Simplify right side
    2,542,926.38x = 4,902,690,620,637.30
  5. Step 5: Solve for x
    x = 4,902,690,620,637.30/2,542,926.38
  6. Step 6: Final answer
    x = 1,927,971.91

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1.5x scale

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.