Home / 2,628,221.75-3,627,721.70-1,540,728.71

Finding the Fourth Proportional to 2,628,221.75, 3,627,721.70 and 1,540,728.71

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Solution

The fourth proportional to 2,628,221.75, 3,627,721.70 and 1,540,728.71 is: 2,126,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,221.75 : 3,627,721.70 = 1,540,728.71 : x
  2. Step 2: Convert to fraction form
    2,628,221.75/3,627,721.70 = 1,540,728.71/x
  3. Step 3: Cross multiply
    2,628,221.75x = 3,627,721.70 × 1,540,728.71
  4. Step 4: Simplify right side
    2,628,221.75x = 5,589,334,949,237.76
  5. Step 5: Solve for x
    x = 5,589,334,949,237.76/2,628,221.75
  6. Step 6: Final answer
    x = 2,126,660.34

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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.