Finding the Fourth Proportional to 5,701,865.32, 7,868,663.34 and 3,123,375.88
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Solution
The fourth proportional to 5,701,865.32, 7,868,663.34 and 3,123,375.88 is: 4,310,307.58
Step by Step Solution
- Step 1: Write the proportion equation
5,701,865.32 : 7,868,663.34 = 3,123,375.88 : x - Step 2: Convert to fraction form
5,701,865.32/7,868,663.34 = 3,123,375.88/x - Step 3: Cross multiply
5,701,865.32x = 7,868,663.34 × 3,123,375.88 - Step 4: Simplify right side
5,701,865.32x = 24,576,793,283,996.24 - Step 5: Solve for x
x = 24,576,793,283,996.24/5,701,865.32 - Step 6: Final answer
x = 4,310,307.58
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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.