Home / 3,057,787.64-4,219,640.66-1,970,105.06

Finding the Fourth Proportional to 3,057,787.64, 4,219,640.66 and 1,970,105.06

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Solution

The fourth proportional to 3,057,787.64, 4,219,640.66 and 1,970,105.06 is: 2,718,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057,787.64 : 4,219,640.66 = 1,970,105.06 : x
  2. Step 2: Convert to fraction form
    3,057,787.64/4,219,640.66 = 1,970,105.06/x
  3. Step 3: Cross multiply
    3,057,787.64x = 4,219,640.66 × 1,970,105.06
  4. Step 4: Simplify right side
    3,057,787.64x = 8,313,135,415,647.74
  5. Step 5: Solve for x
    x = 8,313,135,415,647.74/3,057,787.64
  6. Step 6: Final answer
    x = 2,718,676.51

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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.