Home / 1,622,919.76-2,238,874.68-1,050,144.88

Finding the Fourth Proportional to 1,622,919.76, 2,238,874.68 and 1,050,144.88

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Solution

The fourth proportional to 1,622,919.76, 2,238,874.68 and 1,050,144.88 is: 1,448,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,919.76 : 2,238,874.68 = 1,050,144.88 : x
  2. Step 2: Convert to fraction form
    1,622,919.76/2,238,874.68 = 1,050,144.88/x
  3. Step 3: Cross multiply
    1,622,919.76x = 2,238,874.68 × 1,050,144.88
  4. Step 4: Simplify right side
    1,622,919.76x = 2,351,142,782,163.64
  5. Step 5: Solve for x
    x = 2,351,142,782,163.64/1,622,919.76
  6. Step 6: Final answer
    x = 1,448,711.66

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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.