Home / 2,155,832.60-3,233,197.32-639,160.88

Finding the Fourth Proportional to 2,155,832.60, 3,233,197.32 and 639,160.88

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Solution

The fourth proportional to 2,155,832.60, 3,233,197.32 and 639,160.88 is: 958,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,832.60 : 3,233,197.32 = 639,160.88 : x
  2. Step 2: Convert to fraction form
    2,155,832.60/3,233,197.32 = 639,160.88/x
  3. Step 3: Cross multiply
    2,155,832.60x = 3,233,197.32 × 639,160.88
  4. Step 4: Simplify right side
    2,155,832.60x = 2,066,533,244,264.84
  5. Step 5: Solve for x
    x = 2,066,533,244,264.84/2,155,832.60
  6. Step 6: Final answer
    x = 958,577.79

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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.