Home / 1,820,906.29-2,512,850.82-1,005,110.20

Finding the Fourth Proportional to 1,820,906.29, 2,512,850.82 and 1,005,110.20

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Solution

The fourth proportional to 1,820,906.29, 2,512,850.82 and 1,005,110.20 is: 1,387,052.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,906.29 : 2,512,850.82 = 1,005,110.20 : x
  2. Step 2: Convert to fraction form
    1,820,906.29/2,512,850.82 = 1,005,110.20/x
  3. Step 3: Cross multiply
    1,820,906.29x = 2,512,850.82 × 1,005,110.20
  4. Step 4: Simplify right side
    1,820,906.29x = 2,525,691,977,696.11
  5. Step 5: Solve for x
    x = 2,525,691,977,696.11/1,820,906.29
  6. Step 6: Final answer
    x = 1,387,052.15

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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.