Home / 2,100,109.16-2,896,942.97-1,325,464.71

Finding the Fourth Proportional to 2,100,109.16, 2,896,942.97 and 1,325,464.71

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Solution

The fourth proportional to 2,100,109.16, 2,896,942.97 and 1,325,464.71 is: 1,828,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,109.16 : 2,896,942.97 = 1,325,464.71 : x
  2. Step 2: Convert to fraction form
    2,100,109.16/2,896,942.97 = 1,325,464.71/x
  3. Step 3: Cross multiply
    2,100,109.16x = 2,896,942.97 × 1,325,464.71
  4. Step 4: Simplify right side
    2,100,109.16x = 3,839,795,666,990.26
  5. Step 5: Solve for x
    x = 3,839,795,666,990.26/2,100,109.16
  6. Step 6: Final answer
    x = 1,828,379.09

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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.