Home / 1,961,213.48-2,940,135.16-681,654.72

Finding the Fourth Proportional to 1,961,213.48, 2,940,135.16 and 681,654.72

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Solution

The fourth proportional to 1,961,213.48, 2,940,135.16 and 681,654.72 is: 1,021,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,213.48 : 2,940,135.16 = 681,654.72 : x
  2. Step 2: Convert to fraction form
    1,961,213.48/2,940,135.16 = 681,654.72/x
  3. Step 3: Cross multiply
    1,961,213.48x = 2,940,135.16 × 681,654.72
  4. Step 4: Simplify right side
    1,961,213.48x = 2,004,157,009,251.96
  5. Step 5: Solve for x
    x = 2,004,157,009,251.96/1,961,213.48
  6. Step 6: Final answer
    x = 1,021,896.41

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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.