Home / 4,099,729.80-6,149,594.70-3,879,280.20

Finding the Fourth Proportional to 4,099,729.80, 6,149,594.70 and 3,879,280.20

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Solution

The fourth proportional to 4,099,729.80, 6,149,594.70 and 3,879,280.20 is: 5,818,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099,729.80 : 6,149,594.70 = 3,879,280.20 : x
  2. Step 2: Convert to fraction form
    4,099,729.80/6,149,594.70 = 3,879,280.20/x
  3. Step 3: Cross multiply
    4,099,729.80x = 6,149,594.70 × 3,879,280.20
  4. Step 4: Simplify right side
    4,099,729.80x = 23,856,000,957,734.94
  5. Step 5: Solve for x
    x = 23,856,000,957,734.94/4,099,729.80
  6. Step 6: Final answer
    x = 5,818,920.30

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1.5x scale

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.