Home / 6,231,690.90-9,346,661.55-1,972,289.70

Finding the Fourth Proportional to 6,231,690.90, 9,346,661.55 and 1,972,289.70

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Solution

The fourth proportional to 6,231,690.90, 9,346,661.55 and 1,972,289.70 is: 2,958,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231,690.90 : 9,346,661.55 = 1,972,289.70 : x
  2. Step 2: Convert to fraction form
    6,231,690.90/9,346,661.55 = 1,972,289.70/x
  3. Step 3: Cross multiply
    6,231,690.90x = 9,346,661.55 × 1,972,289.70
  4. Step 4: Simplify right side
    6,231,690.90x = 18,434,324,304,451.04
  5. Step 5: Solve for x
    x = 18,434,324,304,451.04/6,231,690.90
  6. Step 6: Final answer
    x = 2,958,157.68

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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.