Home / 3,348,993.06-5,017,150.92-1,978,668.72

Finding the Fourth Proportional to 3,348,993.06, 5,017,150.92 and 1,978,668.72

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Solution

The fourth proportional to 3,348,993.06, 5,017,150.92 and 1,978,668.72 is: 2,964,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348,993.06 : 5,017,150.92 = 1,978,668.72 : x
  2. Step 2: Convert to fraction form
    3,348,993.06/5,017,150.92 = 1,978,668.72/x
  3. Step 3: Cross multiply
    3,348,993.06x = 5,017,150.92 × 1,978,668.72
  4. Step 4: Simplify right side
    3,348,993.06x = 9,927,279,588,923.22
  5. Step 5: Solve for x
    x = 9,927,279,588,923.22/3,348,993.06
  6. Step 6: Final answer
    x = 2,964,258.04

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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.