Home / 5,299,920.72-7,949,883.78-1,705,687.20

Finding the Fourth Proportional to 5,299,920.72, 7,949,883.78 and 1,705,687.20

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Solution

The fourth proportional to 5,299,920.72, 7,949,883.78 and 1,705,687.20 is: 2,558,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299,920.72 : 7,949,883.78 = 1,705,687.20 : x
  2. Step 2: Convert to fraction form
    5,299,920.72/7,949,883.78 = 1,705,687.20/x
  3. Step 3: Cross multiply
    5,299,920.72x = 7,949,883.78 × 1,705,687.20
  4. Step 4: Simplify right side
    5,299,920.72x = 13,560,015,005,033.62
  5. Step 5: Solve for x
    x = 13,560,015,005,033.62/5,299,920.72
  6. Step 6: Final answer
    x = 2,558,531.67

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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.