Home / 2,166,633.52-2,989,917.81-1,199,743.06

Finding the Fourth Proportional to 2,166,633.52, 2,989,917.81 and 1,199,743.06

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Solution

The fourth proportional to 2,166,633.52, 2,989,917.81 and 1,199,743.06 is: 1,655,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,633.52 : 2,989,917.81 = 1,199,743.06 : x
  2. Step 2: Convert to fraction form
    2,166,633.52/2,989,917.81 = 1,199,743.06/x
  3. Step 3: Cross multiply
    2,166,633.52x = 2,989,917.81 × 1,199,743.06
  4. Step 4: Simplify right side
    2,166,633.52x = 3,587,133,142,517.90
  5. Step 5: Solve for x
    x = 3,587,133,142,517.90/2,166,633.52
  6. Step 6: Final answer
    x = 1,655,625.24

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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.