Home / 2,166,751.44-2,990,114.30-1,199,880.58

Finding the Fourth Proportional to 2,166,751.44, 2,990,114.30 and 1,199,880.58

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Solution

The fourth proportional to 2,166,751.44, 2,990,114.30 and 1,199,880.58 is: 1,655,833.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,751.44 : 2,990,114.30 = 1,199,880.58 : x
  2. Step 2: Convert to fraction form
    2,166,751.44/2,990,114.30 = 1,199,880.58/x
  3. Step 3: Cross multiply
    2,166,751.44x = 2,990,114.30 × 1,199,880.58
  4. Step 4: Simplify right side
    2,166,751.44x = 3,587,780,080,550.29
  5. Step 5: Solve for x
    x = 3,587,780,080,550.29/2,166,751.44
  6. Step 6: Final answer
    x = 1,655,833.71

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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.