Home / 2,124,947-3,188,043.30-685,601.48

Finding the Fourth Proportional to 2,124,947, 3,188,043.30 and 685,601.48

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Solution

The fourth proportional to 2,124,947, 3,188,043.30 and 685,601.48 is: 1,028,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,947 : 3,188,043.30 = 685,601.48 : x
  2. Step 2: Convert to fraction form
    2,124,947/3,188,043.30 = 685,601.48/x
  3. Step 3: Cross multiply
    2,124,947x = 3,188,043.30 × 685,601.48
  4. Step 4: Simplify right side
    2,124,947x = 2,185,727,204,784.08
  5. Step 5: Solve for x
    x = 2,185,727,204,784.08/2,124,947
  6. Step 6: Final answer
    x = 1,028,603.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.