Home / 3,326,711.40-4,990,067.10-2,990,132.10

Finding the Fourth Proportional to 3,326,711.40, 4,990,067.10 and 2,990,132.10

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Solution

The fourth proportional to 3,326,711.40, 4,990,067.10 and 2,990,132.10 is: 4,485,198.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326,711.40 : 4,990,067.10 = 2,990,132.10 : x
  2. Step 2: Convert to fraction form
    3,326,711.40/4,990,067.10 = 2,990,132.10/x
  3. Step 3: Cross multiply
    3,326,711.40x = 4,990,067.10 × 2,990,132.10
  4. Step 4: Simplify right side
    3,326,711.40x = 14,920,959,816,863.91
  5. Step 5: Solve for x
    x = 14,920,959,816,863.91/3,326,711.40
  6. Step 6: Final answer
    x = 4,485,198.15

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Similar ratio
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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.