Home / 1,618,936.44-2,234,888.24-939,742.20

Finding the Fourth Proportional to 1,618,936.44, 2,234,888.24 and 939,742.20

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Solution

The fourth proportional to 1,618,936.44, 2,234,888.24 and 939,742.20 is: 1,297,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,936.44 : 2,234,888.24 = 939,742.20 : x
  2. Step 2: Convert to fraction form
    1,618,936.44/2,234,888.24 = 939,742.20/x
  3. Step 3: Cross multiply
    1,618,936.44x = 2,234,888.24 × 939,742.20
  4. Step 4: Simplify right side
    1,618,936.44x = 2,100,218,791,411.73
  5. Step 5: Solve for x
    x = 2,100,218,791,411.73/1,618,936.44
  6. Step 6: Final answer
    x = 1,297,283.04

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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.