Home / 3,912,007.43-5,398,489.86-2,169,395.66

Finding the Fourth Proportional to 3,912,007.43, 5,398,489.86 and 2,169,395.66

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Solution

The fourth proportional to 3,912,007.43, 5,398,489.86 and 2,169,395.66 is: 2,993,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,007.43 : 5,398,489.86 = 2,169,395.66 : x
  2. Step 2: Convert to fraction form
    3,912,007.43/5,398,489.86 = 2,169,395.66/x
  3. Step 3: Cross multiply
    3,912,007.43x = 5,398,489.86 × 2,169,395.66
  4. Step 4: Simplify right side
    3,912,007.43x = 11,711,460,472,838.01
  5. Step 5: Solve for x
    x = 11,711,460,472,838.01/3,912,007.43
  6. Step 6: Final answer
    x = 2,993,721.43

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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.