Home / 1,992,791.15-2,749,366.26-1,208,110.13

Finding the Fourth Proportional to 1,992,791.15, 2,749,366.26 and 1,208,110.13

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Solution

The fourth proportional to 1,992,791.15, 2,749,366.26 and 1,208,110.13 is: 1,666,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,791.15 : 2,749,366.26 = 1,208,110.13 : x
  2. Step 2: Convert to fraction form
    1,992,791.15/2,749,366.26 = 1,208,110.13/x
  3. Step 3: Cross multiply
    1,992,791.15x = 2,749,366.26 × 1,208,110.13
  4. Step 4: Simplify right side
    1,992,791.15x = 3,321,537,242,430.12
  5. Step 5: Solve for x
    x = 3,321,537,242,430.12/1,992,791.15
  6. Step 6: Final answer
    x = 1,666,776.39

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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.