Home / 2,103,328.20-3,155,453.10-683,142.60

Finding the Fourth Proportional to 2,103,328.20, 3,155,453.10 and 683,142.60

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Solution

The fourth proportional to 2,103,328.20, 3,155,453.10 and 683,142.60 is: 1,024,863.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,328.20 : 3,155,453.10 = 683,142.60 : x
  2. Step 2: Convert to fraction form
    2,103,328.20/3,155,453.10 = 683,142.60/x
  3. Step 3: Cross multiply
    2,103,328.20x = 3,155,453.10 × 683,142.60
  4. Step 4: Simplify right side
    2,103,328.20x = 2,155,624,434,912.06
  5. Step 5: Solve for x
    x = 2,155,624,434,912.06/2,103,328.20
  6. Step 6: Final answer
    x = 1,024,863.56

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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.