Home / 2,172,868.20-2,998,314.92-1,206,039.24

Finding the Fourth Proportional to 2,172,868.20, 2,998,314.92 and 1,206,039.24

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Solution

The fourth proportional to 2,172,868.20, 2,998,314.92 and 1,206,039.24 is: 1,664,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,868.20 : 2,998,314.92 = 1,206,039.24 : x
  2. Step 2: Convert to fraction form
    2,172,868.20/2,998,314.92 = 1,206,039.24/x
  3. Step 3: Cross multiply
    2,172,868.20x = 2,998,314.92 × 1,206,039.24
  4. Step 4: Simplify right side
    2,172,868.20x = 3,616,085,441,367.26
  5. Step 5: Solve for x
    x = 3,616,085,441,367.26/2,172,868.20
  6. Step 6: Final answer
    x = 1,664,199.16

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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.