Home / 1,906,211.70-2,859,317.55-1,427,914.80

Finding the Fourth Proportional to 1,906,211.70, 2,859,317.55 and 1,427,914.80

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Solution

The fourth proportional to 1,906,211.70, 2,859,317.55 and 1,427,914.80 is: 2,141,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,211.70 : 2,859,317.55 = 1,427,914.80 : x
  2. Step 2: Convert to fraction form
    1,906,211.70/2,859,317.55 = 1,427,914.80/x
  3. Step 3: Cross multiply
    1,906,211.70x = 2,859,317.55 × 1,427,914.80
  4. Step 4: Simplify right side
    1,906,211.70x = 4,082,861,847,544.74
  5. Step 5: Solve for x
    x = 4,082,861,847,544.74/1,906,211.70
  6. Step 6: Final answer
    x = 2,141,872.20

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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.