Home / 1,989,794.97-2,745,917.15-1,084,376.25

Finding the Fourth Proportional to 1,989,794.97, 2,745,917.15 and 1,084,376.25

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Solution

The fourth proportional to 1,989,794.97, 2,745,917.15 and 1,084,376.25 is: 1,496,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,794.97 : 2,745,917.15 = 1,084,376.25 : x
  2. Step 2: Convert to fraction form
    1,989,794.97/2,745,917.15 = 1,084,376.25/x
  3. Step 3: Cross multiply
    1,989,794.97x = 2,745,917.15 × 1,084,376.25
  4. Step 4: Simplify right side
    1,989,794.97x = 2,977,607,336,505.81
  5. Step 5: Solve for x
    x = 2,977,607,336,505.81/1,989,794.97
  6. Step 6: Final answer
    x = 1,496,439.27

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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.