Home / 2,280,619.20-3,420,491.40-683,234.40

Finding the Fourth Proportional to 2,280,619.20, 3,420,491.40 and 683,234.40

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Solution

The fourth proportional to 2,280,619.20, 3,420,491.40 and 683,234.40 is: 1,024,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,619.20 : 3,420,491.40 = 683,234.40 : x
  2. Step 2: Convert to fraction form
    2,280,619.20/3,420,491.40 = 683,234.40/x
  3. Step 3: Cross multiply
    2,280,619.20x = 3,420,491.40 × 683,234.40
  4. Step 4: Simplify right side
    2,280,619.20x = 2,336,997,389,384.16
  5. Step 5: Solve for x
    x = 2,336,997,389,384.16/2,280,619.20
  6. Step 6: Final answer
    x = 1,024,720.56

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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.