Home / 2,113,832.32-3,171,143.45-961,163.55

Finding the Fourth Proportional to 2,113,832.32, 3,171,143.45 and 961,163.55

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Solution

The fourth proportional to 2,113,832.32, 3,171,143.45 and 961,163.55 is: 1,441,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,832.32 : 3,171,143.45 = 961,163.55 : x
  2. Step 2: Convert to fraction form
    2,113,832.32/3,171,143.45 = 961,163.55/x
  3. Step 3: Cross multiply
    2,113,832.32x = 3,171,143.45 × 961,163.55
  4. Step 4: Simplify right side
    2,113,832.32x = 3,047,987,498,364.16
  5. Step 5: Solve for x
    x = 3,047,987,498,364.16/2,113,832.32
  6. Step 6: Final answer
    x = 1,441,924.92

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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.