Finding the Fourth Proportional to 3,634,514.70, 5,447,106.45 and 2,788,874.70
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Solution
The fourth proportional to 3,634,514.70, 5,447,106.45 and 2,788,874.70 is: 4,179,731.99
Step by Step Solution
- Step 1: Write the proportion equation
3,634,514.70 : 5,447,106.45 = 2,788,874.70 : x - Step 2: Convert to fraction form
3,634,514.70/5,447,106.45 = 2,788,874.70/x - Step 3: Cross multiply
3,634,514.70x = 5,447,106.45 × 2,788,874.70 - Step 4: Simplify right side
3,634,514.70x = 15,191,297,366,611.82 - Step 5: Solve for x
x = 15,191,297,366,611.82/3,634,514.70 - Step 6: Final answer
x = 4,179,731.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.