Home / 1,557,161.28-2,147,540.04-1,013,098.32

Finding the Fourth Proportional to 1,557,161.28, 2,147,540.04 and 1,013,098.32

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Solution

The fourth proportional to 1,557,161.28, 2,147,540.04 and 1,013,098.32 is: 1,397,202.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,161.28 : 2,147,540.04 = 1,013,098.32 : x
  2. Step 2: Convert to fraction form
    1,557,161.28/2,147,540.04 = 1,013,098.32/x
  3. Step 3: Cross multiply
    1,557,161.28x = 2,147,540.04 × 1,013,098.32
  4. Step 4: Simplify right side
    1,557,161.28x = 2,175,669,206,656.73
  5. Step 5: Solve for x
    x = 2,175,669,206,656.73/1,557,161.28
  6. Step 6: Final answer
    x = 1,397,202.23

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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.