Home / 2,775,162.81-4,162,679.39-1,279,254.81

Finding the Fourth Proportional to 2,775,162.81, 4,162,679.39 and 1,279,254.81

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Solution

The fourth proportional to 2,775,162.81, 4,162,679.39 and 1,279,254.81 is: 1,918,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,162.81 : 4,162,679.39 = 1,279,254.81 : x
  2. Step 2: Convert to fraction form
    2,775,162.81/4,162,679.39 = 1,279,254.81/x
  3. Step 3: Cross multiply
    2,775,162.81x = 4,162,679.39 × 1,279,254.81
  4. Step 4: Simplify right side
    2,775,162.81x = 5,325,127,625,749.09
  5. Step 5: Solve for x
    x = 5,325,127,625,749.09/2,775,162.81
  6. Step 6: Final answer
    x = 1,918,852.33

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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.