Home / 2,857,257.08-4,286,540.19-1,238,297.66

Finding the Fourth Proportional to 2,857,257.08, 4,286,540.19 and 1,238,297.66

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Solution

The fourth proportional to 2,857,257.08, 4,286,540.19 and 1,238,297.66 is: 1,857,730.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,257.08 : 4,286,540.19 = 1,238,297.66 : x
  2. Step 2: Convert to fraction form
    2,857,257.08/4,286,540.19 = 1,238,297.66/x
  3. Step 3: Cross multiply
    2,857,257.08x = 4,286,540.19 × 1,238,297.66
  4. Step 4: Simplify right side
    2,857,257.08x = 5,308,012,686,772.96
  5. Step 5: Solve for x
    x = 5,308,012,686,772.96/2,857,257.08
  6. Step 6: Final answer
    x = 1,857,730.17

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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.