Finding the Fourth Proportional to 4,159,812.52, 5,740,579.28 and 2,440,961.68
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Solution
The fourth proportional to 4,159,812.52, 5,740,579.28 and 2,440,961.68 is: 3,368,549.42
Step by Step Solution
- Step 1: Write the proportion equation
4,159,812.52 : 5,740,579.28 = 2,440,961.68 : x - Step 2: Convert to fraction form
4,159,812.52/5,740,579.28 = 2,440,961.68/x - Step 3: Cross multiply
4,159,812.52x = 5,740,579.28 × 2,440,961.68 - Step 4: Simplify right side
4,159,812.52x = 14,012,534,043,481.99 - Step 5: Solve for x
x = 14,012,534,043,481.99/4,159,812.52 - Step 6: Final answer
x = 3,368,549.42
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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.