Finding the Fourth Proportional to 5,634,153.24, 7,775,307.41 and 3,186,716.57
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Solution
The fourth proportional to 5,634,153.24, 7,775,307.41 and 3,186,716.57 is: 4,397,768.38
Step by Step Solution
- Step 1: Write the proportion equation
5,634,153.24 : 7,775,307.41 = 3,186,716.57 : x - Step 2: Convert to fraction form
5,634,153.24/7,775,307.41 = 3,186,716.57/x - Step 3: Cross multiply
5,634,153.24x = 7,775,307.41 × 3,186,716.57 - Step 4: Simplify right side
5,634,153.24x = 24,777,700,960,290.78 - Step 5: Solve for x
x = 24,777,700,960,290.78/5,634,153.24 - Step 6: Final answer
x = 4,397,768.38
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1.5x scale
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.