Home / 2,831,005.12-4,246,481.72-1,147,708.48

Finding the Fourth Proportional to 2,831,005.12, 4,246,481.72 and 1,147,708.48

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Solution

The fourth proportional to 2,831,005.12, 4,246,481.72 and 1,147,708.48 is: 1,721,552.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,005.12 : 4,246,481.72 = 1,147,708.48 : x
  2. Step 2: Convert to fraction form
    2,831,005.12/4,246,481.72 = 1,147,708.48/x
  3. Step 3: Cross multiply
    2,831,005.12x = 4,246,481.72 × 1,147,708.48
  4. Step 4: Simplify right side
    2,831,005.12x = 4,873,723,080,208.99
  5. Step 5: Solve for x
    x = 4,873,723,080,208.99/2,831,005.12
  6. Step 6: Final answer
    x = 1,721,552.20

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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.