Home / 3,907,939.05-5,392,892.91-2,189,054.25

Finding the Fourth Proportional to 3,907,939.05, 5,392,892.91 and 2,189,054.25

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Solution

The fourth proportional to 3,907,939.05, 5,392,892.91 and 2,189,054.25 is: 3,020,859.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,939.05 : 5,392,892.91 = 2,189,054.25 : x
  2. Step 2: Convert to fraction form
    3,907,939.05/5,392,892.91 = 2,189,054.25/x
  3. Step 3: Cross multiply
    3,907,939.05x = 5,392,892.91 × 2,189,054.25
  4. Step 4: Simplify right side
    3,907,939.05x = 11,805,335,144,430.37
  5. Step 5: Solve for x
    x = 11,805,335,144,430.37/3,907,939.05
  6. Step 6: Final answer
    x = 3,020,859.59

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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.