Home / 2,809,682.88-4,215,804.16-1,190,894.64

Finding the Fourth Proportional to 2,809,682.88, 4,215,804.16 and 1,190,894.64

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Solution

The fourth proportional to 2,809,682.88, 4,215,804.16 and 1,190,894.64 is: 1,786,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,682.88 : 4,215,804.16 = 1,190,894.64 : x
  2. Step 2: Convert to fraction form
    2,809,682.88/4,215,804.16 = 1,190,894.64/x
  3. Step 3: Cross multiply
    2,809,682.88x = 4,215,804.16 × 1,190,894.64
  4. Step 4: Simplify right side
    2,809,682.88x = 5,020,578,577,433.70
  5. Step 5: Solve for x
    x = 5,020,578,577,433.70/2,809,682.88
  6. Step 6: Final answer
    x = 1,786,884.42

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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.