Home / 2,120,741.22-3,182,511.51-1,124,169.06

Finding the Fourth Proportional to 2,120,741.22, 3,182,511.51 and 1,124,169.06

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Solution

The fourth proportional to 2,120,741.22, 3,182,511.51 and 1,124,169.06 is: 1,686,995.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,741.22 : 3,182,511.51 = 1,124,169.06 : x
  2. Step 2: Convert to fraction form
    2,120,741.22/3,182,511.51 = 1,124,169.06/x
  3. Step 3: Cross multiply
    2,120,741.22x = 3,182,511.51 × 1,124,169.06
  4. Step 4: Simplify right side
    2,120,741.22x = 3,577,680,972,635.88
  5. Step 5: Solve for x
    x = 3,577,680,972,635.88/2,120,741.22
  6. Step 6: Final answer
    x = 1,686,995.54

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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.