Home / 1,820,997.81-2,512,977.45-1,005,202.04

Finding the Fourth Proportional to 1,820,997.81, 2,512,977.45 and 1,005,202.04

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Solution

The fourth proportional to 1,820,997.81, 2,512,977.45 and 1,005,202.04 is: 1,387,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,997.81 : 2,512,977.45 = 1,005,202.04 : x
  2. Step 2: Convert to fraction form
    1,820,997.81/2,512,977.45 = 1,005,202.04/x
  3. Step 3: Cross multiply
    1,820,997.81x = 2,512,977.45 × 1,005,202.04
  4. Step 4: Simplify right side
    1,820,997.81x = 2,526,050,065,496.44
  5. Step 5: Solve for x
    x = 2,526,050,065,496.44/1,820,997.81
  6. Step 6: Final answer
    x = 1,387,179.08

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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.