Finding the Fourth Proportional to 5,691,855.42, 7,854,592.95 and 3,113,480.70
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Solution
The fourth proportional to 5,691,855.42, 7,854,592.95 and 3,113,480.70 is: 4,296,511.73
Step by Step Solution
- Step 1: Write the proportion equation
5,691,855.42 : 7,854,592.95 = 3,113,480.70 : x - Step 2: Convert to fraction form
5,691,855.42/7,854,592.95 = 3,113,480.70/x - Step 3: Cross multiply
5,691,855.42x = 7,854,592.95 × 3,113,480.70 - Step 4: Simplify right side
5,691,855.42x = 24,455,123,556,181.07 - Step 5: Solve for x
x = 24,455,123,556,181.07/5,691,855.42 - Step 6: Final answer
x = 4,296,511.73
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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.