Home / 2,172,846.09-2,998,284.39-1,206,017.13

Finding the Fourth Proportional to 2,172,846.09, 2,998,284.39 and 1,206,017.13

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Solution

The fourth proportional to 2,172,846.09, 2,998,284.39 and 1,206,017.13 is: 1,664,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,846.09 : 2,998,284.39 = 1,206,017.13 : x
  2. Step 2: Convert to fraction form
    2,172,846.09/2,998,284.39 = 1,206,017.13/x
  3. Step 3: Cross multiply
    2,172,846.09x = 2,998,284.39 × 1,206,017.13
  4. Step 4: Simplify right side
    2,172,846.09x = 3,615,982,334,951.60
  5. Step 5: Solve for x
    x = 3,615,982,334,951.60/2,172,846.09
  6. Step 6: Final answer
    x = 1,664,168.65

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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.