Finding the Fourth Proportional to 1,368,067.14, 1,887,858.90 and 756,183.42
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Solution
The fourth proportional to 1,368,067.14, 1,887,858.90 and 756,183.42 is: 1,043,492.35
Step by Step Solution
- Step 1: Write the proportion equation
1,368,067.14 : 1,887,858.90 = 756,183.42 : x - Step 2: Convert to fraction form
1,368,067.14/1,887,858.90 = 756,183.42/x - Step 3: Cross multiply
1,368,067.14x = 1,887,858.90 × 756,183.42 - Step 4: Simplify right side
1,368,067.14x = 1,427,567,599,479.44 - Step 5: Solve for x
x = 1,427,567,599,479.44/1,368,067.14 - Step 6: Final answer
x = 1,043,492.35
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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.