Home / 2,220,783-3,064,682.16-1,202,188.56

Finding the Fourth Proportional to 2,220,783, 3,064,682.16 and 1,202,188.56

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Solution

The fourth proportional to 2,220,783, 3,064,682.16 and 1,202,188.56 is: 1,659,021.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,783 : 3,064,682.16 = 1,202,188.56 : x
  2. Step 2: Convert to fraction form
    2,220,783/3,064,682.16 = 1,202,188.56/x
  3. Step 3: Cross multiply
    2,220,783x = 3,064,682.16 × 1,202,188.56
  4. Step 4: Simplify right side
    2,220,783x = 3,684,325,832,788.09
  5. Step 5: Solve for x
    x = 3,684,325,832,788.09/2,220,783
  6. Step 6: Final answer
    x = 1,659,021.09

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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.