Home / 1,618,936.31-2,234,888.06-939,742.07

Finding the Fourth Proportional to 1,618,936.31, 2,234,888.06 and 939,742.07

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Solution

The fourth proportional to 1,618,936.31, 2,234,888.06 and 939,742.07 is: 1,297,282.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,936.31 : 2,234,888.06 = 939,742.07 : x
  2. Step 2: Convert to fraction form
    1,618,936.31/2,234,888.06 = 939,742.07/x
  3. Step 3: Cross multiply
    1,618,936.31x = 2,234,888.06 × 939,742.07
  4. Step 4: Simplify right side
    1,618,936.31x = 2,100,218,322,897.60
  5. Step 5: Solve for x
    x = 2,100,218,322,897.60/1,618,936.31
  6. Step 6: Final answer
    x = 1,297,282.86

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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.