Home / 2,025,791.12-2,795,378.36-1,209,881.56

Finding the Fourth Proportional to 2,025,791.12, 2,795,378.36 and 1,209,881.56

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Solution

The fourth proportional to 2,025,791.12, 2,795,378.36 and 1,209,881.56 is: 1,669,509.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025,791.12 : 2,795,378.36 = 1,209,881.56 : x
  2. Step 2: Convert to fraction form
    2,025,791.12/2,795,378.36 = 1,209,881.56/x
  3. Step 3: Cross multiply
    2,025,791.12x = 2,795,378.36 × 1,209,881.56
  4. Step 4: Simplify right side
    2,025,791.12x = 3,382,076,730,987.04
  5. Step 5: Solve for x
    x = 3,382,076,730,987.04/2,025,791.12
  6. Step 6: Final answer
    x = 1,669,509.11

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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.