Home / 5,479,709.20-8,235,310.20-4,786,867.60

Finding the Fourth Proportional to 5,479,709.20, 8,235,310.20 and 4,786,867.60

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Solution

The fourth proportional to 5,479,709.20, 8,235,310.20 and 4,786,867.60 is: 7,194,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,709.20 : 8,235,310.20 = 4,786,867.60 : x
  2. Step 2: Convert to fraction form
    5,479,709.20/8,235,310.20 = 4,786,867.60/x
  3. Step 3: Cross multiply
    5,479,709.20x = 8,235,310.20 × 4,786,867.60
  4. Step 4: Simplify right side
    5,479,709.20x = 39,421,339,572,329.52
  5. Step 5: Solve for x
    x = 39,421,339,572,329.52/5,479,709.20
  6. Step 6: Final answer
    x = 7,194,056.86

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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.