Home / 2,628,157.92-3,626,863.20-1,420,933.92

Finding the Fourth Proportional to 2,628,157.92, 3,626,863.20 and 1,420,933.92

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Solution

The fourth proportional to 2,628,157.92, 3,626,863.20 and 1,420,933.92 is: 1,960,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,157.92 : 3,626,863.20 = 1,420,933.92 : x
  2. Step 2: Convert to fraction form
    2,628,157.92/3,626,863.20 = 1,420,933.92/x
  3. Step 3: Cross multiply
    2,628,157.92x = 3,626,863.20 × 1,420,933.92
  4. Step 4: Simplify right side
    2,628,157.92x = 5,153,532,944,079.74
  5. Step 5: Solve for x
    x = 5,153,532,944,079.74/2,628,157.92
  6. Step 6: Final answer
    x = 1,960,891.66

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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.