Home / 3,010,987-4,517,367.72-1,212,945.22

Finding the Fourth Proportional to 3,010,987, 4,517,367.72 and 1,212,945.22

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Solution

The fourth proportional to 3,010,987, 4,517,367.72 and 1,212,945.22 is: 1,819,775.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010,987 : 4,517,367.72 = 1,212,945.22 : x
  2. Step 2: Convert to fraction form
    3,010,987/4,517,367.72 = 1,212,945.22/x
  3. Step 3: Cross multiply
    3,010,987x = 4,517,367.72 × 1,212,945.22
  4. Step 4: Simplify right side
    3,010,987x = 5,479,319,582,956.30
  5. Step 5: Solve for x
    x = 5,479,319,582,956.30/3,010,987
  6. Step 6: Final answer
    x = 1,819,775.24

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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.