Home / 2,774,739-4,162,110.12-780,195

Finding the Fourth Proportional to 2,774,739, 4,162,110.12 and 780,195

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Solution

The fourth proportional to 2,774,739, 4,162,110.12 and 780,195 is: 1,170,292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,739 : 4,162,110.12 = 780,195 : x
  2. Step 2: Convert to fraction form
    2,774,739/4,162,110.12 = 780,195/x
  3. Step 3: Cross multiply
    2,774,739x = 4,162,110.12 × 780,195
  4. Step 4: Simplify right side
    2,774,739x = 3,247,257,505,073.40
  5. Step 5: Solve for x
    x = 3,247,257,505,073.40/2,774,739
  6. Step 6: Final answer
    x = 1,170,292.96

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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.