Finding the Fourth Proportional to 3,983,474.94, 5,963,586.32 and 2,963,330.16
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Solution
The fourth proportional to 3,983,474.94, 5,963,586.32 and 2,963,330.16 is: 4,436,346.52
Step by Step Solution
- Step 1: Write the proportion equation
3,983,474.94 : 5,963,586.32 = 2,963,330.16 : x - Step 2: Convert to fraction form
3,983,474.94/5,963,586.32 = 2,963,330.16/x - Step 3: Cross multiply
3,983,474.94x = 5,963,586.32 × 2,963,330.16 - Step 4: Simplify right side
3,983,474.94x = 17,672,075,203,819.41 - Step 5: Solve for x
x = 17,672,075,203,819.41/3,983,474.94 - Step 6: Final answer
x = 4,436,346.52
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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.