Home / 3,321,661.95-4,582,938.09-2,161,815.66

Finding the Fourth Proportional to 3,321,661.95, 4,582,938.09 and 2,161,815.66

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Solution

The fourth proportional to 3,321,661.95, 4,582,938.09 and 2,161,815.66 is: 2,982,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,661.95 : 4,582,938.09 = 2,161,815.66 : x
  2. Step 2: Convert to fraction form
    3,321,661.95/4,582,938.09 = 2,161,815.66/x
  3. Step 3: Cross multiply
    3,321,661.95x = 4,582,938.09 × 2,161,815.66
  4. Step 4: Simplify right side
    3,321,661.95x = 9,907,467,331,772.49
  5. Step 5: Solve for x
    x = 9,907,467,331,772.49/3,321,661.95
  6. Step 6: Final answer
    x = 2,982,683.81

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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.