Home / 1,989,262.44-2,983,890.96-923,721.84

Finding the Fourth Proportional to 1,989,262.44, 2,983,890.96 and 923,721.84

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Solution

The fourth proportional to 1,989,262.44, 2,983,890.96 and 923,721.84 is: 1,385,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,262.44 : 2,983,890.96 = 923,721.84 : x
  2. Step 2: Convert to fraction form
    1,989,262.44/2,983,890.96 = 923,721.84/x
  3. Step 3: Cross multiply
    1,989,262.44x = 2,983,890.96 × 923,721.84
  4. Step 4: Simplify right side
    1,989,262.44x = 2,756,285,247,930.57
  5. Step 5: Solve for x
    x = 2,756,285,247,930.57/1,989,262.44
  6. Step 6: Final answer
    x = 1,385,581.51

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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.