Home / 6,589,286.32-9,890,320.92-3,179,972.20

Finding the Fourth Proportional to 6,589,286.32, 9,890,320.92 and 3,179,972.20

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Solution

The fourth proportional to 6,589,286.32, 9,890,320.92 and 3,179,972.20 is: 4,773,042.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,589,286.32 : 9,890,320.92 = 3,179,972.20 : x
  2. Step 2: Convert to fraction form
    6,589,286.32/9,890,320.92 = 3,179,972.20/x
  3. Step 3: Cross multiply
    6,589,286.32x = 9,890,320.92 × 3,179,972.20
  4. Step 4: Simplify right side
    6,589,286.32x = 31,450,945,574,678.43
  5. Step 5: Solve for x
    x = 31,450,945,574,678.43/6,589,286.32
  6. Step 6: Final answer
    x = 4,773,042.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.