Home / 2,990,122.20-4,484,454.30-859,984.20

Finding the Fourth Proportional to 2,990,122.20, 4,484,454.30 and 859,984.20

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Solution

The fourth proportional to 2,990,122.20, 4,484,454.30 and 859,984.20 is: 1,289,766.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,122.20 : 4,484,454.30 = 859,984.20 : x
  2. Step 2: Convert to fraction form
    2,990,122.20/4,484,454.30 = 859,984.20/x
  3. Step 3: Cross multiply
    2,990,122.20x = 4,484,454.30 × 859,984.20
  4. Step 4: Simplify right side
    2,990,122.20x = 3,856,559,843,622.06
  5. Step 5: Solve for x
    x = 3,856,559,843,622.06/2,990,122.20
  6. Step 6: Final answer
    x = 1,289,766.63

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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.