Home / 3,280,520.70-4,920,781.05-2,749,079.70

Finding the Fourth Proportional to 3,280,520.70, 4,920,781.05 and 2,749,079.70

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Solution

The fourth proportional to 3,280,520.70, 4,920,781.05 and 2,749,079.70 is: 4,123,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,520.70 : 4,920,781.05 = 2,749,079.70 : x
  2. Step 2: Convert to fraction form
    3,280,520.70/4,920,781.05 = 2,749,079.70/x
  3. Step 3: Cross multiply
    3,280,520.70x = 4,920,781.05 × 2,749,079.70
  4. Step 4: Simplify right side
    3,280,520.70x = 13,527,619,292,699.69
  5. Step 5: Solve for x
    x = 13,527,619,292,699.69/3,280,520.70
  6. Step 6: Final answer
    x = 4,123,619.55

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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.