Home / 3,591,917.10-4,956,891.53-2,121,874.02

Finding the Fourth Proportional to 3,591,917.10, 4,956,891.53 and 2,121,874.02

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Solution

The fourth proportional to 3,591,917.10, 4,956,891.53 and 2,121,874.02 is: 2,928,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591,917.10 : 4,956,891.53 = 2,121,874.02 : x
  2. Step 2: Convert to fraction form
    3,591,917.10/4,956,891.53 = 2,121,874.02/x
  3. Step 3: Cross multiply
    3,591,917.10x = 4,956,891.53 × 2,121,874.02
  4. Step 4: Simplify right side
    3,591,917.10x = 10,517,899,346,855.68
  5. Step 5: Solve for x
    x = 10,517,899,346,855.68/3,591,917.10
  6. Step 6: Final answer
    x = 2,928,213.28

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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.