Home / 3,719,121.13-5,131,992.90-2,087,708.23

Finding the Fourth Proportional to 3,719,121.13, 5,131,992.90 and 2,087,708.23

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Solution

The fourth proportional to 3,719,121.13, 5,131,992.90 and 2,087,708.23 is: 2,880,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719,121.13 : 5,131,992.90 = 2,087,708.23 : x
  2. Step 2: Convert to fraction form
    3,719,121.13/5,131,992.90 = 2,087,708.23/x
  3. Step 3: Cross multiply
    3,719,121.13x = 5,131,992.90 × 2,087,708.23
  4. Step 4: Simplify right side
    3,719,121.13x = 10,714,103,813,631.57
  5. Step 5: Solve for x
    x = 10,714,103,813,631.57/3,719,121.13
  6. Step 6: Final answer
    x = 2,880,816.04

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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.