Home / 2,220,011.80-3,330,017.70-800,114.20

Finding the Fourth Proportional to 2,220,011.80, 3,330,017.70 and 800,114.20

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Solution

The fourth proportional to 2,220,011.80, 3,330,017.70 and 800,114.20 is: 1,200,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,011.80 : 3,330,017.70 = 800,114.20 : x
  2. Step 2: Convert to fraction form
    2,220,011.80/3,330,017.70 = 800,114.20/x
  3. Step 3: Cross multiply
    2,220,011.80x = 3,330,017.70 × 800,114.20
  4. Step 4: Simplify right side
    2,220,011.80x = 2,664,394,448,021.34
  5. Step 5: Solve for x
    x = 2,664,394,448,021.34/2,220,011.80
  6. Step 6: Final answer
    x = 1,200,171.30

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Double scale
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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.