Home / 3,319,723.20-4,979,584.80-3,120,268.80

Finding the Fourth Proportional to 3,319,723.20, 4,979,584.80 and 3,120,268.80

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Solution

The fourth proportional to 3,319,723.20, 4,979,584.80 and 3,120,268.80 is: 4,680,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,723.20 : 4,979,584.80 = 3,120,268.80 : x
  2. Step 2: Convert to fraction form
    3,319,723.20/4,979,584.80 = 3,120,268.80/x
  3. Step 3: Cross multiply
    3,319,723.20x = 4,979,584.80 × 3,120,268.80
  4. Step 4: Simplify right side
    3,319,723.20x = 15,537,643,088,394.24
  5. Step 5: Solve for x
    x = 15,537,643,088,394.24/3,319,723.20
  6. Step 6: Final answer
    x = 4,680,403.20

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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.