Finding the Fourth Proportional to 3,397,752.09, 5,097,416.36 and 1,123,138.44
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Solution
The fourth proportional to 3,397,752.09, 5,097,416.36 and 1,123,138.44 is: 1,684,968.21
Step by Step Solution
- Step 1: Write the proportion equation
3,397,752.09 : 5,097,416.36 = 1,123,138.44 : x - Step 2: Convert to fraction form
3,397,752.09/5,097,416.36 = 1,123,138.44/x - Step 3: Cross multiply
3,397,752.09x = 5,097,416.36 × 1,123,138.44 - Step 4: Simplify right side
3,397,752.09x = 5,725,104,252,985.19 - Step 5: Solve for x
x = 5,725,104,252,985.19/3,397,752.09 - Step 6: Final answer
x = 1,684,968.21
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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.