Home / 1,820,998.06-2,512,977.79-1,005,202.30

Finding the Fourth Proportional to 1,820,998.06, 2,512,977.79 and 1,005,202.30

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Solution

The fourth proportional to 1,820,998.06, 2,512,977.79 and 1,005,202.30 is: 1,387,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,998.06 : 2,512,977.79 = 1,005,202.30 : x
  2. Step 2: Convert to fraction form
    1,820,998.06/2,512,977.79 = 1,005,202.30/x
  3. Step 3: Cross multiply
    1,820,998.06x = 2,512,977.79 × 1,005,202.30
  4. Step 4: Simplify right side
    1,820,998.06x = 2,526,051,041,792.03
  5. Step 5: Solve for x
    x = 2,526,051,041,792.03/1,820,998.06
  6. Step 6: Final answer
    x = 1,387,179.43

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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.