Home / 2,891,231.75-3,989,987.30-1,601,951.51

Finding the Fourth Proportional to 2,891,231.75, 3,989,987.30 and 1,601,951.51

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Solution

The fourth proportional to 2,891,231.75, 3,989,987.30 and 1,601,951.51 is: 2,210,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,231.75 : 3,989,987.30 = 1,601,951.51 : x
  2. Step 2: Convert to fraction form
    2,891,231.75/3,989,987.30 = 1,601,951.51/x
  3. Step 3: Cross multiply
    2,891,231.75x = 3,989,987.30 × 1,601,951.51
  4. Step 4: Simplify right side
    2,891,231.75x = 6,391,766,180,115.82
  5. Step 5: Solve for x
    x = 6,391,766,180,115.82/2,891,231.75
  6. Step 6: Final answer
    x = 2,210,741.56

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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.