Home / 4,800,384.45-6,618,870.18-3,879,766.80

Finding the Fourth Proportional to 4,800,384.45, 6,618,870.18 and 3,879,766.80

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Solution

The fourth proportional to 4,800,384.45, 6,618,870.18 and 3,879,766.80 is: 5,349,503.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800,384.45 : 6,618,870.18 = 3,879,766.80 : x
  2. Step 2: Convert to fraction form
    4,800,384.45/6,618,870.18 = 3,879,766.80/x
  3. Step 3: Cross multiply
    4,800,384.45x = 6,618,870.18 × 3,879,766.80
  4. Step 4: Simplify right side
    4,800,384.45x = 25,679,672,777,874.02
  5. Step 5: Solve for x
    x = 25,679,672,777,874.02/4,800,384.45
  6. Step 6: Final answer
    x = 5,349,503.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.