Home / 2,040,378.49-2,815,743.90-1,122,619.69

Finding the Fourth Proportional to 2,040,378.49, 2,815,743.90 and 1,122,619.69

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Solution

The fourth proportional to 2,040,378.49, 2,815,743.90 and 1,122,619.69 is: 1,549,227.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,378.49 : 2,815,743.90 = 1,122,619.69 : x
  2. Step 2: Convert to fraction form
    2,040,378.49/2,815,743.90 = 1,122,619.69/x
  3. Step 3: Cross multiply
    2,040,378.49x = 2,815,743.90 × 1,122,619.69
  4. Step 4: Simplify right side
    2,040,378.49x = 3,161,009,544,137.39
  5. Step 5: Solve for x
    x = 3,161,009,544,137.39/2,040,378.49
  6. Step 6: Final answer
    x = 1,549,227.05

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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.