Home / 2,175,400.90-3,002,533.50-1,208,863.54

Finding the Fourth Proportional to 2,175,400.90, 3,002,533.50 and 1,208,863.54

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Solution

The fourth proportional to 2,175,400.90, 3,002,533.50 and 1,208,863.54 is: 1,668,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,400.90 : 3,002,533.50 = 1,208,863.54 : x
  2. Step 2: Convert to fraction form
    2,175,400.90/3,002,533.50 = 1,208,863.54/x
  3. Step 3: Cross multiply
    2,175,400.90x = 3,002,533.50 × 1,208,863.54
  4. Step 4: Simplify right side
    2,175,400.90x = 3,629,653,275,778.59
  5. Step 5: Solve for x
    x = 3,629,653,275,778.59/2,175,400.90
  6. Step 6: Final answer
    x = 1,668,498.56

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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.