Home / 3,058,655.72-4,221,013.38-1,681,912.16

Finding the Fourth Proportional to 3,058,655.72, 4,221,013.38 and 1,681,912.16

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Solution

The fourth proportional to 3,058,655.72, 4,221,013.38 and 1,681,912.16 is: 2,321,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058,655.72 : 4,221,013.38 = 1,681,912.16 : x
  2. Step 2: Convert to fraction form
    3,058,655.72/4,221,013.38 = 1,681,912.16/x
  3. Step 3: Cross multiply
    3,058,655.72x = 4,221,013.38 × 1,681,912.16
  4. Step 4: Simplify right side
    3,058,655.72x = 7,099,373,731,344.70
  5. Step 5: Solve for x
    x = 7,099,373,731,344.70/3,058,655.72
  6. Step 6: Final answer
    x = 2,321,076.44

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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.