Home / 1,989,056.54-2,982,256.20-622,367.43

Finding the Fourth Proportional to 1,989,056.54, 2,982,256.20 and 622,367.43

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Solution

The fourth proportional to 1,989,056.54, 2,982,256.20 and 622,367.43 is: 933,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,056.54 : 2,982,256.20 = 622,367.43 : x
  2. Step 2: Convert to fraction form
    1,989,056.54/2,982,256.20 = 622,367.43/x
  3. Step 3: Cross multiply
    1,989,056.54x = 2,982,256.20 × 622,367.43
  4. Step 4: Simplify right side
    1,989,056.54x = 1,856,059,126,795.57
  5. Step 5: Solve for x
    x = 1,856,059,126,795.57/1,989,056.54
  6. Step 6: Final answer
    x = 933,135.43

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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.