Home / 3,784,412.16-5,222,568.96-2,152,765.44

Finding the Fourth Proportional to 3,784,412.16, 5,222,568.96 and 2,152,765.44

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Solution

The fourth proportional to 3,784,412.16, 5,222,568.96 and 2,152,765.44 is: 2,970,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,412.16 : 5,222,568.96 = 2,152,765.44 : x
  2. Step 2: Convert to fraction form
    3,784,412.16/5,222,568.96 = 2,152,765.44/x
  3. Step 3: Cross multiply
    3,784,412.16x = 5,222,568.96 × 2,152,765.44
  4. Step 4: Simplify right side
    3,784,412.16x = 11,242,965,965,104.74
  5. Step 5: Solve for x
    x = 11,242,965,965,104.74/3,784,412.16
  6. Step 6: Final answer
    x = 2,970,861.92

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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.