Finding the Fourth Proportional to 3,474,241.48, 5,212,415.76 and 1,676,789.92
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Solution
The fourth proportional to 3,474,241.48, 5,212,415.76 and 1,676,789.92 is: 2,515,693.36
Step by Step Solution
- Step 1: Write the proportion equation
3,474,241.48 : 5,212,415.76 = 1,676,789.92 : x - Step 2: Convert to fraction form
3,474,241.48/5,212,415.76 = 1,676,789.92/x - Step 3: Cross multiply
3,474,241.48x = 5,212,415.76 × 1,676,789.92 - Step 4: Simplify right side
3,474,241.48x = 8,740,126,205,217.14 - Step 5: Solve for x
x = 8,740,126,205,217.14/3,474,241.48 - Step 6: Final answer
x = 2,515,693.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.