Finding the Fourth Proportional to 1,715,297.82, 2,367,067.68 and 980,205.36
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Solution
The fourth proportional to 1,715,297.82, 2,367,067.68 and 980,205.36 is: 1,352,658.65
Step by Step Solution
- Step 1: Write the proportion equation
1,715,297.82 : 2,367,067.68 = 980,205.36 : x - Step 2: Convert to fraction form
1,715,297.82/2,367,067.68 = 980,205.36/x - Step 3: Cross multiply
1,715,297.82x = 2,367,067.68 × 980,205.36 - Step 4: Simplify right side
1,715,297.82x = 2,320,212,427,418.77 - Step 5: Solve for x
x = 2,320,212,427,418.77/1,715,297.82 - Step 6: Final answer
x = 1,352,658.65
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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.