Home / 2,580,867.54-3,871,049.79-783,766.58

Finding the Fourth Proportional to 2,580,867.54, 3,871,049.79 and 783,766.58

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Solution

The fourth proportional to 2,580,867.54, 3,871,049.79 and 783,766.58 is: 1,175,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,867.54 : 3,871,049.79 = 783,766.58 : x
  2. Step 2: Convert to fraction form
    2,580,867.54/3,871,049.79 = 783,766.58/x
  3. Step 3: Cross multiply
    2,580,867.54x = 3,871,049.79 × 783,766.58
  4. Step 4: Simplify right side
    2,580,867.54x = 3,033,999,454,918.02
  5. Step 5: Solve for x
    x = 3,033,999,454,918.02/2,580,867.54
  6. Step 6: Final answer
    x = 1,175,573.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.