Home / 2,979,797.28-4,111,992.72-1,621,667.04

Finding the Fourth Proportional to 2,979,797.28, 4,111,992.72 and 1,621,667.04

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Solution

The fourth proportional to 2,979,797.28, 4,111,992.72 and 1,621,667.04 is: 2,237,831.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,797.28 : 4,111,992.72 = 1,621,667.04 : x
  2. Step 2: Convert to fraction form
    2,979,797.28/4,111,992.72 = 1,621,667.04/x
  3. Step 3: Cross multiply
    2,979,797.28x = 4,111,992.72 × 1,621,667.04
  4. Step 4: Simplify right side
    2,979,797.28x = 6,668,283,062,743.95
  5. Step 5: Solve for x
    x = 6,668,283,062,743.95/2,979,797.28
  6. Step 6: Final answer
    x = 2,237,831.11

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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.