Home / 3,286,739.20-4,930,108.80-2,992,806.40

Finding the Fourth Proportional to 3,286,739.20, 4,930,108.80 and 2,992,806.40

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Solution

The fourth proportional to 3,286,739.20, 4,930,108.80 and 2,992,806.40 is: 4,489,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,739.20 : 4,930,108.80 = 2,992,806.40 : x
  2. Step 2: Convert to fraction form
    3,286,739.20/4,930,108.80 = 2,992,806.40/x
  3. Step 3: Cross multiply
    3,286,739.20x = 4,930,108.80 × 2,992,806.40
  4. Step 4: Simplify right side
    3,286,739.20x = 14,754,861,169,336.32
  5. Step 5: Solve for x
    x = 14,754,861,169,336.32/3,286,739.20
  6. Step 6: Final answer
    x = 4,489,209.60

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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.