Home / 1,821,591.38-2,728,732.34-1,672,778.18

Finding the Fourth Proportional to 1,821,591.38, 2,728,732.34 and 1,672,778.18

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Solution

The fourth proportional to 1,821,591.38, 2,728,732.34 and 1,672,778.18 is: 2,505,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,591.38 : 2,728,732.34 = 1,672,778.18 : x
  2. Step 2: Convert to fraction form
    1,821,591.38/2,728,732.34 = 1,672,778.18/x
  3. Step 3: Cross multiply
    1,821,591.38x = 2,728,732.34 × 1,672,778.18
  4. Step 4: Simplify right side
    1,821,591.38x = 4,564,563,917,412.34
  5. Step 5: Solve for x
    x = 4,564,563,917,412.34/1,821,591.38
  6. Step 6: Final answer
    x = 2,505,811.11

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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.