Finding the Fourth Proportional to 5,515,092.96, 7,610,827.94 and 3,100,644.96
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Solution
The fourth proportional to 5,515,092.96, 7,610,827.94 and 3,100,644.96 is: 4,278,889.85
Step by Step Solution
- Step 1: Write the proportion equation
5,515,092.96 : 7,610,827.94 = 3,100,644.96 : x - Step 2: Convert to fraction form
5,515,092.96/7,610,827.94 = 3,100,644.96/x - Step 3: Cross multiply
5,515,092.96x = 7,610,827.94 × 3,100,644.96 - Step 4: Simplify right side
5,515,092.96x = 23,598,475,293,588.18 - Step 5: Solve for x
x = 23,598,475,293,588.18/5,515,092.96 - Step 6: Final answer
x = 4,278,889.85
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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.