Home / 4,025,721.70-5,555,540.01-2,190,190.42

Finding the Fourth Proportional to 4,025,721.70, 5,555,540.01 and 2,190,190.42

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Solution

The fourth proportional to 4,025,721.70, 5,555,540.01 and 2,190,190.42 is: 3,022,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,025,721.70 : 5,555,540.01 = 2,190,190.42 : x
  2. Step 2: Convert to fraction form
    4,025,721.70/5,555,540.01 = 2,190,190.42/x
  3. Step 3: Cross multiply
    4,025,721.70x = 5,555,540.01 × 2,190,190.42
  4. Step 4: Simplify right side
    4,025,721.70x = 12,167,690,507,828.70
  5. Step 5: Solve for x
    x = 12,167,690,507,828.70/4,025,721.70
  6. Step 6: Final answer
    x = 3,022,486.75

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1.5x scale

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.