Home / 2,990,103.40-4,485,811.20-968,003.20

Finding the Fourth Proportional to 2,990,103.40, 4,485,811.20 and 968,003.20

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Solution

The fourth proportional to 2,990,103.40, 4,485,811.20 and 968,003.20 is: 1,452,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,103.40 : 4,485,811.20 = 968,003.20 : x
  2. Step 2: Convert to fraction form
    2,990,103.40/4,485,811.20 = 968,003.20/x
  3. Step 3: Cross multiply
    2,990,103.40x = 4,485,811.20 × 968,003.20
  4. Step 4: Simplify right side
    2,990,103.40x = 4,342,279,596,195.84
  5. Step 5: Solve for x
    x = 4,342,279,596,195.84/2,990,103.40
  6. Step 6: Final answer
    x = 1,452,217.20

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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.