Finding the Fourth Proportional to 4,677,690.38, 6,455,212.74 and 2,531,514.38
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Solution
The fourth proportional to 4,677,690.38, 6,455,212.74 and 2,531,514.38 is: 3,493,489.85
Step by Step Solution
- Step 1: Write the proportion equation
4,677,690.38 : 6,455,212.74 = 2,531,514.38 : x - Step 2: Convert to fraction form
4,677,690.38/6,455,212.74 = 2,531,514.38/x - Step 3: Cross multiply
4,677,690.38x = 6,455,212.74 × 2,531,514.38 - Step 4: Simplify right side
4,677,690.38x = 16,341,463,844,993.14 - Step 5: Solve for x
x = 16,341,463,844,993.14/4,677,690.38 - Step 6: Final answer
x = 3,493,489.85
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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.