Home / 3,238,209-4,857,546.78-1,243,665

Finding the Fourth Proportional to 3,238,209, 4,857,546.78 and 1,243,665

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Solution

The fourth proportional to 3,238,209, 4,857,546.78 and 1,243,665 is: 1,865,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,209 : 4,857,546.78 = 1,243,665 : x
  2. Step 2: Convert to fraction form
    3,238,209/4,857,546.78 = 1,243,665/x
  3. Step 3: Cross multiply
    3,238,209x = 4,857,546.78 × 1,243,665
  4. Step 4: Simplify right side
    3,238,209x = 6,041,160,916,148.70
  5. Step 5: Solve for x
    x = 6,041,160,916,148.70/3,238,209
  6. Step 6: Final answer
    x = 1,865,587.09

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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.