Home / 1,819,831-2,511,366.78-1,015,015

Finding the Fourth Proportional to 1,819,831, 2,511,366.78 and 1,015,015

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Solution

The fourth proportional to 1,819,831, 2,511,366.78 and 1,015,015 is: 1,400,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,831 : 2,511,366.78 = 1,015,015 : x
  2. Step 2: Convert to fraction form
    1,819,831/2,511,366.78 = 1,015,015/x
  3. Step 3: Cross multiply
    1,819,831x = 2,511,366.78 × 1,015,015
  4. Step 4: Simplify right side
    1,819,831x = 2,549,074,952,201.70
  5. Step 5: Solve for x
    x = 2,549,074,952,201.70/1,819,831
  6. Step 6: Final answer
    x = 1,400,720.70

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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.