Home / 2,629,106.16-3,628,168.92-1,421,882.16

Finding the Fourth Proportional to 2,629,106.16, 3,628,168.92 and 1,421,882.16

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Solution

The fourth proportional to 2,629,106.16, 3,628,168.92 and 1,421,882.16 is: 1,962,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,106.16 : 3,628,168.92 = 1,421,882.16 : x
  2. Step 2: Convert to fraction form
    2,629,106.16/3,628,168.92 = 1,421,882.16/x
  3. Step 3: Cross multiply
    2,629,106.16x = 3,628,168.92 × 1,421,882.16
  4. Step 4: Simplify right side
    2,629,106.16x = 5,158,828,660,814.47
  5. Step 5: Solve for x
    x = 5,158,828,660,814.47/2,629,106.16
  6. Step 6: Final answer
    x = 1,962,198.69

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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.