Home / 3,800,187.40-5,704,428.30-2,120,571.40

Finding the Fourth Proportional to 3,800,187.40, 5,704,428.30 and 2,120,571.40

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Solution

The fourth proportional to 3,800,187.40, 5,704,428.30 and 2,120,571.40 is: 3,183,171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800,187.40 : 5,704,428.30 = 2,120,571.40 : x
  2. Step 2: Convert to fraction form
    3,800,187.40/5,704,428.30 = 2,120,571.40/x
  3. Step 3: Cross multiply
    3,800,187.40x = 5,704,428.30 × 2,120,571.40
  4. Step 4: Simplify right side
    3,800,187.40x = 12,096,647,506,330.62
  5. Step 5: Solve for x
    x = 12,096,647,506,330.62/3,800,187.40
  6. Step 6: Final answer
    x = 3,183,171.31

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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.