Home / 2,798,621.12-4,198,231.60-776,873.52

Finding the Fourth Proportional to 2,798,621.12, 4,198,231.60 and 776,873.52

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Solution

The fourth proportional to 2,798,621.12, 4,198,231.60 and 776,873.52 is: 1,165,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,621.12 : 4,198,231.60 = 776,873.52 : x
  2. Step 2: Convert to fraction form
    2,798,621.12/4,198,231.60 = 776,873.52/x
  3. Step 3: Cross multiply
    2,798,621.12x = 4,198,231.60 × 776,873.52
  4. Step 4: Simplify right side
    2,798,621.12x = 3,261,494,960,867.23
  5. Step 5: Solve for x
    x = 3,261,494,960,867.23/2,798,621.12
  6. Step 6: Final answer
    x = 1,165,393.54

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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.