Home / 2,628,640.05-3,626,960.27-1,975,964.07

Finding the Fourth Proportional to 2,628,640.05, 3,626,960.27 and 1,975,964.07

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Solution

The fourth proportional to 2,628,640.05, 3,626,960.27 and 1,975,964.07 is: 2,726,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,640.05 : 3,626,960.27 = 1,975,964.07 : x
  2. Step 2: Convert to fraction form
    2,628,640.05/3,626,960.27 = 1,975,964.07/x
  3. Step 3: Cross multiply
    2,628,640.05x = 3,626,960.27 × 1,975,964.07
  4. Step 4: Simplify right side
    2,628,640.05x = 7,166,743,167,103.83
  5. Step 5: Solve for x
    x = 7,166,743,167,103.83/2,628,640.05
  6. Step 6: Final answer
    x = 2,726,407.21

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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.