Home / 1,611,616.12-2,223,983.82-886,463.80

Finding the Fourth Proportional to 1,611,616.12, 2,223,983.82 and 886,463.80

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Solution

The fourth proportional to 1,611,616.12, 2,223,983.82 and 886,463.80 is: 1,223,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,616.12 : 2,223,983.82 = 886,463.80 : x
  2. Step 2: Convert to fraction form
    1,611,616.12/2,223,983.82 = 886,463.80/x
  3. Step 3: Cross multiply
    1,611,616.12x = 2,223,983.82 × 886,463.80
  4. Step 4: Simplify right side
    1,611,616.12x = 1,971,481,148,215.72
  5. Step 5: Solve for x
    x = 1,971,481,148,215.72/1,611,616.12
  6. Step 6: Final answer
    x = 1,223,294.51

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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.