Home / 3,280,505.20-4,920,757.80-3,081,050.80

Finding the Fourth Proportional to 3,280,505.20, 4,920,757.80 and 3,081,050.80

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Solution

The fourth proportional to 3,280,505.20, 4,920,757.80 and 3,081,050.80 is: 4,621,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,505.20 : 4,920,757.80 = 3,081,050.80 : x
  2. Step 2: Convert to fraction form
    3,280,505.20/4,920,757.80 = 3,081,050.80/x
  3. Step 3: Cross multiply
    3,280,505.20x = 4,920,757.80 × 3,081,050.80
  4. Step 4: Simplify right side
    3,280,505.20x = 15,161,104,756,296.24
  5. Step 5: Solve for x
    x = 15,161,104,756,296.24/3,280,505.20
  6. Step 6: Final answer
    x = 4,621,576.20

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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.