Home / 1,988,379.82-2,743,795.62-1,117,146.52

Finding the Fourth Proportional to 1,988,379.82, 2,743,795.62 and 1,117,146.52

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Solution

The fourth proportional to 1,988,379.82, 2,743,795.62 and 1,117,146.52 is: 1,541,567.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,379.82 : 2,743,795.62 = 1,117,146.52 : x
  2. Step 2: Convert to fraction form
    1,988,379.82/2,743,795.62 = 1,117,146.52/x
  3. Step 3: Cross multiply
    1,988,379.82x = 2,743,795.62 × 1,117,146.52
  4. Step 4: Simplify right side
    1,988,379.82x = 3,065,221,728,474.24
  5. Step 5: Solve for x
    x = 3,065,221,728,474.24/1,988,379.82
  6. Step 6: Final answer
    x = 1,541,567.51

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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.