Home / 1,589,722.87-2,199,593.96-1,386,198.22

Finding the Fourth Proportional to 1,589,722.87, 2,199,593.96 and 1,386,198.22

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Solution

The fourth proportional to 1,589,722.87, 2,199,593.96 and 1,386,198.22 is: 1,917,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,722.87 : 2,199,593.96 = 1,386,198.22 : x
  2. Step 2: Convert to fraction form
    1,589,722.87/2,199,593.96 = 1,386,198.22/x
  3. Step 3: Cross multiply
    1,589,722.87x = 2,199,593.96 × 1,386,198.22
  4. Step 4: Simplify right side
    1,589,722.87x = 3,049,073,225,143.76
  5. Step 5: Solve for x
    x = 3,049,073,225,143.76/1,589,722.87
  6. Step 6: Final answer
    x = 1,917,990.41

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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.