Finding the Fourth Proportional to 2,797,758.71, 3,860,906.09 and 1,557,342.11
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Solution
The fourth proportional to 2,797,758.71, 3,860,906.09 and 1,557,342.11 is: 2,149,131.59
Step by Step Solution
- Step 1: Write the proportion equation
2,797,758.71 : 3,860,906.09 = 1,557,342.11 : x - Step 2: Convert to fraction form
2,797,758.71/3,860,906.09 = 1,557,342.11/x - Step 3: Cross multiply
2,797,758.71x = 3,860,906.09 × 1,557,342.11 - Step 4: Simplify right side
2,797,758.71x = 6,012,751,647,338.06 - Step 5: Solve for x
x = 6,012,751,647,338.06/2,797,758.71 - Step 6: Final answer
x = 2,149,131.59
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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.