Home / 3,280,656.20-4,920,984.30-2,749,814.60

Finding the Fourth Proportional to 3,280,656.20, 4,920,984.30 and 2,749,814.60

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Solution

The fourth proportional to 3,280,656.20, 4,920,984.30 and 2,749,814.60 is: 4,124,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,656.20 : 4,920,984.30 = 2,749,814.60 : x
  2. Step 2: Convert to fraction form
    3,280,656.20/4,920,984.30 = 2,749,814.60/x
  3. Step 3: Cross multiply
    3,280,656.20x = 4,920,984.30 × 2,749,814.60
  4. Step 4: Simplify right side
    3,280,656.20x = 13,531,794,474,510.78
  5. Step 5: Solve for x
    x = 13,531,794,474,510.78/3,280,656.20
  6. Step 6: Final answer
    x = 4,124,721.90

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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.