Home / 1,821,908.70-2,732,863.05-1,224,711.90

Finding the Fourth Proportional to 1,821,908.70, 2,732,863.05 and 1,224,711.90

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Solution

The fourth proportional to 1,821,908.70, 2,732,863.05 and 1,224,711.90 is: 1,837,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,908.70 : 2,732,863.05 = 1,224,711.90 : x
  2. Step 2: Convert to fraction form
    1,821,908.70/2,732,863.05 = 1,224,711.90/x
  3. Step 3: Cross multiply
    1,821,908.70x = 2,732,863.05 × 1,224,711.90
  4. Step 4: Simplify right side
    1,821,908.70x = 3,346,969,898,405.29
  5. Step 5: Solve for x
    x = 3,346,969,898,405.29/1,821,908.70
  6. Step 6: Final answer
    x = 1,837,067.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.