Home / 2,639,824.70-3,643,009.65-1,722,640.64

Finding the Fourth Proportional to 2,639,824.70, 3,643,009.65 and 1,722,640.64

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Solution

The fourth proportional to 2,639,824.70, 3,643,009.65 and 1,722,640.64 is: 2,377,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,824.70 : 3,643,009.65 = 1,722,640.64 : x
  2. Step 2: Convert to fraction form
    2,639,824.70/3,643,009.65 = 1,722,640.64/x
  3. Step 3: Cross multiply
    2,639,824.70x = 3,643,009.65 × 1,722,640.64
  4. Step 4: Simplify right side
    2,639,824.70x = 6,275,596,456,787.13
  5. Step 5: Solve for x
    x = 6,275,596,456,787.13/2,639,824.70
  6. Step 6: Final answer
    x = 2,377,277.73

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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.