Home / 1,992,958.30-2,750,370.03-1,121,849.20

Finding the Fourth Proportional to 1,992,958.30, 2,750,370.03 and 1,121,849.20

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Solution

The fourth proportional to 1,992,958.30, 2,750,370.03 and 1,121,849.20 is: 1,548,201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,958.30 : 2,750,370.03 = 1,121,849.20 : x
  2. Step 2: Convert to fraction form
    1,992,958.30/2,750,370.03 = 1,121,849.20/x
  3. Step 3: Cross multiply
    1,992,958.30x = 2,750,370.03 × 1,121,849.20
  4. Step 4: Simplify right side
    1,992,958.30x = 3,085,500,417,859.48
  5. Step 5: Solve for x
    x = 3,085,500,417,859.48/1,992,958.30
  6. Step 6: Final answer
    x = 1,548,201.19

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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.