Home / 2,628,415.62-3,943,109.43-831,751.38

Finding the Fourth Proportional to 2,628,415.62, 3,943,109.43 and 831,751.38

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Solution

The fourth proportional to 2,628,415.62, 3,943,109.43 and 831,751.38 is: 1,247,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,415.62 : 3,943,109.43 = 831,751.38 : x
  2. Step 2: Convert to fraction form
    2,628,415.62/3,943,109.43 = 831,751.38/x
  3. Step 3: Cross multiply
    2,628,415.62x = 3,943,109.43 × 831,751.38
  4. Step 4: Simplify right side
    2,628,415.62x = 3,279,686,709,893.51
  5. Step 5: Solve for x
    x = 3,279,686,709,893.51/2,628,415.62
  6. Step 6: Final answer
    x = 1,247,780.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.