Finding the Fourth Proportional to 5,349,396.84, 7,381,544.85 and 2,994,723.51
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Solution
The fourth proportional to 5,349,396.84, 7,381,544.85 and 2,994,723.51 is: 4,132,369.79
Step by Step Solution
- Step 1: Write the proportion equation
5,349,396.84 : 7,381,544.85 = 2,994,723.51 : x - Step 2: Convert to fraction form
5,349,396.84/7,381,544.85 = 2,994,723.51/x - Step 3: Cross multiply
5,349,396.84x = 7,381,544.85 × 2,994,723.51 - Step 4: Simplify right side
5,349,396.84x = 22,105,685,902,414.42 - Step 5: Solve for x
x = 22,105,685,902,414.42/5,349,396.84 - Step 6: Final answer
x = 4,132,369.79
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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.