Finding the Fourth Proportional to 5,731,717.84, 7,909,770.34 and 3,153,343.25
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Solution
The fourth proportional to 5,731,717.84, 7,909,770.34 and 3,153,343.25 is: 4,351,613.53
Step by Step Solution
- Step 1: Write the proportion equation
5,731,717.84 : 7,909,770.34 = 3,153,343.25 : x - Step 2: Convert to fraction form
5,731,717.84/7,909,770.34 = 3,153,343.25/x - Step 3: Cross multiply
5,731,717.84x = 7,909,770.34 × 3,153,343.25 - Step 4: Simplify right side
5,731,717.84x = 24,942,220,910,689.20 - Step 5: Solve for x
x = 24,942,220,910,689.20/5,731,717.84 - Step 6: Final answer
x = 4,351,613.53
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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.