Home / 3,119,914.20-4,680,551.70-1,772,722.20

Finding the Fourth Proportional to 3,119,914.20, 4,680,551.70 and 1,772,722.20

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Solution

The fourth proportional to 3,119,914.20, 4,680,551.70 and 1,772,722.20 is: 2,659,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,914.20 : 4,680,551.70 = 1,772,722.20 : x
  2. Step 2: Convert to fraction form
    3,119,914.20/4,680,551.70 = 1,772,722.20/x
  3. Step 3: Cross multiply
    3,119,914.20x = 4,680,551.70 × 1,772,722.20
  4. Step 4: Simplify right side
    3,119,914.20x = 8,297,317,906,837.74
  5. Step 5: Solve for x
    x = 8,297,317,906,837.74/3,119,914.20
  6. Step 6: Final answer
    x = 2,659,469.90

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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.