Home / 2,265,311.80-3,397,967.70-2,178,220.60

Finding the Fourth Proportional to 2,265,311.80, 3,397,967.70 and 2,178,220.60

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Solution

The fourth proportional to 2,265,311.80, 3,397,967.70 and 2,178,220.60 is: 3,267,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265,311.80 : 3,397,967.70 = 2,178,220.60 : x
  2. Step 2: Convert to fraction form
    2,265,311.80/3,397,967.70 = 2,178,220.60/x
  3. Step 3: Cross multiply
    2,265,311.80x = 3,397,967.70 × 2,178,220.60
  4. Step 4: Simplify right side
    2,265,311.80x = 7,401,523,242,274.62
  5. Step 5: Solve for x
    x = 7,401,523,242,274.62/2,265,311.80
  6. Step 6: Final answer
    x = 3,267,330.90

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Double scale
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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.