Home / 2,891,231.76-3,989,987.30-1,601,951.52

Finding the Fourth Proportional to 2,891,231.76, 3,989,987.30 and 1,601,951.52

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Solution

The fourth proportional to 2,891,231.76, 3,989,987.30 and 1,601,951.52 is: 2,210,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,231.76 : 3,989,987.30 = 1,601,951.52 : x
  2. Step 2: Convert to fraction form
    2,891,231.76/3,989,987.30 = 1,601,951.52/x
  3. Step 3: Cross multiply
    2,891,231.76x = 3,989,987.30 × 1,601,951.52
  4. Step 4: Simplify right side
    2,891,231.76x = 6,391,766,220,015.70
  5. Step 5: Solve for x
    x = 6,391,766,220,015.70/2,891,231.76
  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.