Home / 1,853,622.20-2,775,767.70-1,219,100.60

Finding the Fourth Proportional to 1,853,622.20, 2,775,767.70 and 1,219,100.60

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Solution

The fourth proportional to 1,853,622.20, 2,775,767.70 and 1,219,100.60 is: 1,825,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,622.20 : 2,775,767.70 = 1,219,100.60 : x
  2. Step 2: Convert to fraction form
    1,853,622.20/2,775,767.70 = 1,219,100.60/x
  3. Step 3: Cross multiply
    1,853,622.20x = 2,775,767.70 × 1,219,100.60
  4. Step 4: Simplify right side
    1,853,622.20x = 3,383,940,068,530.62
  5. Step 5: Solve for x
    x = 3,383,940,068,530.62/1,853,622.20
  6. Step 6: Final answer
    x = 1,825,582.40

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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.