Home / 2,173,131.12-2,999,110.68-1,268,004.72

Finding the Fourth Proportional to 2,173,131.12, 2,999,110.68 and 1,268,004.72

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Solution

The fourth proportional to 2,173,131.12, 2,999,110.68 and 1,268,004.72 is: 1,749,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,131.12 : 2,999,110.68 = 1,268,004.72 : x
  2. Step 2: Convert to fraction form
    2,173,131.12/2,999,110.68 = 1,268,004.72/x
  3. Step 3: Cross multiply
    2,173,131.12x = 2,999,110.68 × 1,268,004.72
  4. Step 4: Simplify right side
    2,173,131.12x = 3,802,886,498,042.41
  5. Step 5: Solve for x
    x = 3,802,886,498,042.41/2,173,131.12
  6. Step 6: Final answer
    x = 1,749,957.22

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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.