Home / 2,912,412.75-4,369,249.73-1,115,296.30

Finding the Fourth Proportional to 2,912,412.75, 4,369,249.73 and 1,115,296.30

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Solution

The fourth proportional to 2,912,412.75, 4,369,249.73 and 1,115,296.30 is: 1,673,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,412.75 : 4,369,249.73 = 1,115,296.30 : x
  2. Step 2: Convert to fraction form
    2,912,412.75/4,369,249.73 = 1,115,296.30/x
  3. Step 3: Cross multiply
    2,912,412.75x = 4,369,249.73 × 1,115,296.30
  4. Step 4: Simplify right side
    2,912,412.75x = 4,873,008,057,645
  5. Step 5: Solve for x
    x = 4,873,008,057,645/2,912,412.75
  6. Step 6: Final answer
    x = 1,673,185.94

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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.