Home / 2,220,106.20-3,330,159.30-800,208.60

Finding the Fourth Proportional to 2,220,106.20, 3,330,159.30 and 800,208.60

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Solution

The fourth proportional to 2,220,106.20, 3,330,159.30 and 800,208.60 is: 1,200,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,106.20 : 3,330,159.30 = 800,208.60 : x
  2. Step 2: Convert to fraction form
    2,220,106.20/3,330,159.30 = 800,208.60/x
  3. Step 3: Cross multiply
    2,220,106.20x = 3,330,159.30 × 800,208.60
  4. Step 4: Simplify right side
    2,220,106.20x = 2,664,822,111,229.98
  5. Step 5: Solve for x
    x = 2,664,822,111,229.98/2,220,106.20
  6. Step 6: Final answer
    x = 1,200,312.90

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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.