Home / 2,155,392-3,233,217.60-659,496.96

Finding the Fourth Proportional to 2,155,392, 3,233,217.60 and 659,496.96

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Solution

The fourth proportional to 2,155,392, 3,233,217.60 and 659,496.96 is: 989,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,392 : 3,233,217.60 = 659,496.96 : x
  2. Step 2: Convert to fraction form
    2,155,392/3,233,217.60 = 659,496.96/x
  3. Step 3: Cross multiply
    2,155,392x = 3,233,217.60 × 659,496.96
  4. Step 4: Simplify right side
    2,155,392x = 2,132,297,178,218.50
  5. Step 5: Solve for x
    x = 2,132,297,178,218.50/2,155,392
  6. Step 6: Final answer
    x = 989,285.09

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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.