Home / 5,112,803.89-7,058,226.16-3,179,687.25

Finding the Fourth Proportional to 5,112,803.89, 7,058,226.16 and 3,179,687.25

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Solution

The fourth proportional to 5,112,803.89, 7,058,226.16 and 3,179,687.25 is: 4,389,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,803.89 : 7,058,226.16 = 3,179,687.25 : x
  2. Step 2: Convert to fraction form
    5,112,803.89/7,058,226.16 = 3,179,687.25/x
  3. Step 3: Cross multiply
    5,112,803.89x = 7,058,226.16 × 3,179,687.25
  4. Step 4: Simplify right side
    5,112,803.89x = 22,442,951,728,568.46
  5. Step 5: Solve for x
    x = 22,442,951,728,568.46/5,112,803.89
  6. Step 6: Final answer
    x = 4,389,558.49

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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.