Finding the Fourth Proportional to 3,375,989.52, 4,658,369.67 and 1,885,657.62
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Solution
The fourth proportional to 3,375,989.52, 4,658,369.67 and 1,885,657.62 is: 2,601,930.56
Step by Step Solution
- Step 1: Write the proportion equation
3,375,989.52 : 4,658,369.67 = 1,885,657.62 : x - Step 2: Convert to fraction form
3,375,989.52/4,658,369.67 = 1,885,657.62/x - Step 3: Cross multiply
3,375,989.52x = 4,658,369.67 × 1,885,657.62 - Step 4: Simplify right side
3,375,989.52x = 8,784,090,282,481.27 - Step 5: Solve for x
x = 8,784,090,282,481.27/3,375,989.52 - Step 6: Final answer
x = 2,601,930.56
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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.