Home / 2,168,632.76-2,992,778.82-1,201,672.60

Finding the Fourth Proportional to 2,168,632.76, 2,992,778.82 and 1,201,672.60

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Solution

The fourth proportional to 2,168,632.76, 2,992,778.82 and 1,201,672.60 is: 1,658,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,632.76 : 2,992,778.82 = 1,201,672.60 : x
  2. Step 2: Convert to fraction form
    2,168,632.76/2,992,778.82 = 1,201,672.60/x
  3. Step 3: Cross multiply
    2,168,632.76x = 2,992,778.82 × 1,201,672.60
  4. Step 4: Simplify right side
    2,168,632.76x = 3,596,340,305,854.33
  5. Step 5: Solve for x
    x = 3,596,340,305,854.33/2,168,632.76
  6. Step 6: Final answer
    x = 1,658,344.54

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1.5x scale

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.