Home / 3,670,400.10-5,505,600.15-2,154,809.10

Finding the Fourth Proportional to 3,670,400.10, 5,505,600.15 and 2,154,809.10

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Solution

The fourth proportional to 3,670,400.10, 5,505,600.15 and 2,154,809.10 is: 3,232,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,400.10 : 5,505,600.15 = 2,154,809.10 : x
  2. Step 2: Convert to fraction form
    3,670,400.10/5,505,600.15 = 2,154,809.10/x
  3. Step 3: Cross multiply
    3,670,400.10x = 5,505,600.15 × 2,154,809.10
  4. Step 4: Simplify right side
    3,670,400.10x = 11,863,517,304,181.37
  5. Step 5: Solve for x
    x = 11,863,517,304,181.37/3,670,400.10
  6. Step 6: Final answer
    x = 3,232,213.65

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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.