Home / 2,768,190.72-3,820,152.96-1,622,595.84

Finding the Fourth Proportional to 2,768,190.72, 3,820,152.96 and 1,622,595.84

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Solution

The fourth proportional to 2,768,190.72, 3,820,152.96 and 1,622,595.84 is: 2,239,211.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,190.72 : 3,820,152.96 = 1,622,595.84 : x
  2. Step 2: Convert to fraction form
    2,768,190.72/3,820,152.96 = 1,622,595.84/x
  3. Step 3: Cross multiply
    2,768,190.72x = 3,820,152.96 × 1,622,595.84
  4. Step 4: Simplify right side
    2,768,190.72x = 6,198,564,301,059.69
  5. Step 5: Solve for x
    x = 6,198,564,301,059.69/2,768,190.72
  6. Step 6: Final answer
    x = 2,239,211.43

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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.