Home / 3,611,715-4,982,449.44-2,161,118.40

Finding the Fourth Proportional to 3,611,715, 4,982,449.44 and 2,161,118.40

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Solution

The fourth proportional to 3,611,715, 4,982,449.44 and 2,161,118.40 is: 2,981,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,715 : 4,982,449.44 = 2,161,118.40 : x
  2. Step 2: Convert to fraction form
    3,611,715/4,982,449.44 = 2,161,118.40/x
  3. Step 3: Cross multiply
    3,611,715x = 4,982,449.44 × 2,161,118.40
  4. Step 4: Simplify right side
    3,611,715x = 10,767,663,161,853.70
  5. Step 5: Solve for x
    x = 10,767,663,161,853.70/3,611,715
  6. Step 6: Final answer
    x = 2,981,315.85

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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.