Home / 4,001,770.68-5,522,446.44-2,166,223.20

Finding the Fourth Proportional to 4,001,770.68, 5,522,446.44 and 2,166,223.20

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Solution

The fourth proportional to 4,001,770.68, 5,522,446.44 and 2,166,223.20 is: 2,989,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001,770.68 : 5,522,446.44 = 2,166,223.20 : x
  2. Step 2: Convert to fraction form
    4,001,770.68/5,522,446.44 = 2,166,223.20/x
  3. Step 3: Cross multiply
    4,001,770.68x = 5,522,446.44 × 2,166,223.20
  4. Step 4: Simplify right side
    4,001,770.68x = 11,962,851,599,085.41
  5. Step 5: Solve for x
    x = 11,962,851,599,085.41/4,001,770.68
  6. Step 6: Final answer
    x = 2,989,389.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.