Home / 5,280,770.10-7,938,067.95-4,906,355.70

Finding the Fourth Proportional to 5,280,770.10, 7,938,067.95 and 4,906,355.70

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Solution

The fourth proportional to 5,280,770.10, 7,938,067.95 and 4,906,355.70 is: 7,375,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,770.10 : 7,938,067.95 = 4,906,355.70 : x
  2. Step 2: Convert to fraction form
    5,280,770.10/7,938,067.95 = 4,906,355.70/x
  3. Step 3: Cross multiply
    5,280,770.10x = 7,938,067.95 × 4,906,355.70
  4. Step 4: Simplify right side
    5,280,770.10x = 38,946,984,933,469.82
  5. Step 5: Solve for x
    x = 38,946,984,933,469.82/5,280,770.10
  6. Step 6: Final answer
    x = 7,375,247.21

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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.