Home / 1,637,629.92-2,259,933.84-949,435.20

Finding the Fourth Proportional to 1,637,629.92, 2,259,933.84 and 949,435.20

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Solution

The fourth proportional to 1,637,629.92, 2,259,933.84 and 949,435.20 is: 1,310,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,629.92 : 2,259,933.84 = 949,435.20 : x
  2. Step 2: Convert to fraction form
    1,637,629.92/2,259,933.84 = 949,435.20/x
  3. Step 3: Cross multiply
    1,637,629.92x = 2,259,933.84 × 949,435.20
  4. Step 4: Simplify right side
    1,637,629.92x = 2,145,660,737,367.17
  5. Step 5: Solve for x
    x = 2,145,660,737,367.17/1,637,629.92
  6. Step 6: Final answer
    x = 1,310,223.21

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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.