Home / 2,115,982.04-3,173,559.75-676,279.25

Finding the Fourth Proportional to 2,115,982.04, 3,173,559.75 and 676,279.25

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Solution

The fourth proportional to 2,115,982.04, 3,173,559.75 and 676,279.25 is: 1,014,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,982.04 : 3,173,559.75 = 676,279.25 : x
  2. Step 2: Convert to fraction form
    2,115,982.04/3,173,559.75 = 676,279.25/x
  3. Step 3: Cross multiply
    2,115,982.04x = 3,173,559.75 × 676,279.25
  4. Step 4: Simplify right side
    2,115,982.04x = 2,146,212,591,692.39
  5. Step 5: Solve for x
    x = 2,146,212,591,692.39/2,115,982.04
  6. Step 6: Final answer
    x = 1,014,286.77

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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.