Home / 2,557,195.80-3,530,081.04-1,686,547

Finding the Fourth Proportional to 2,557,195.80, 3,530,081.04 and 1,686,547

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Solution

The fourth proportional to 2,557,195.80, 3,530,081.04 and 1,686,547 is: 2,328,193.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557,195.80 : 3,530,081.04 = 1,686,547 : x
  2. Step 2: Convert to fraction form
    2,557,195.80/3,530,081.04 = 1,686,547/x
  3. Step 3: Cross multiply
    2,557,195.80x = 3,530,081.04 × 1,686,547
  4. Step 4: Simplify right side
    2,557,195.80x = 5,953,647,587,768.88
  5. Step 5: Solve for x
    x = 5,953,647,587,768.88/2,557,195.80
  6. Step 6: Final answer
    x = 2,328,193.87

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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.