Home / 1,899,770.36-2,850,286.10-620,419.56

Finding the Fourth Proportional to 1,899,770.36, 2,850,286.10 and 620,419.56

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Solution

The fourth proportional to 1,899,770.36, 2,850,286.10 and 620,419.56 is: 930,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,770.36 : 2,850,286.10 = 620,419.56 : x
  2. Step 2: Convert to fraction form
    1,899,770.36/2,850,286.10 = 620,419.56/x
  3. Step 3: Cross multiply
    1,899,770.36x = 2,850,286.10 × 620,419.56
  4. Step 4: Simplify right side
    1,899,770.36x = 1,768,373,263,921.54
  5. Step 5: Solve for x
    x = 1,768,373,263,921.54/1,899,770.36
  6. Step 6: Final answer
    x = 930,835.28

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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.