Finding the Fourth Proportional to 5,734,824.21, 7,914,281.79 and 3,156,744.87
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Solution
The fourth proportional to 5,734,824.21, 7,914,281.79 and 3,156,744.87 is: 4,356,431.43
Step by Step Solution
- Step 1: Write the proportion equation
5,734,824.21 : 7,914,281.79 = 3,156,744.87 : x - Step 2: Convert to fraction form
5,734,824.21/7,914,281.79 = 3,156,744.87/x - Step 3: Cross multiply
5,734,824.21x = 7,914,281.79 × 3,156,744.87 - Step 4: Simplify right side
5,734,824.21x = 24,983,368,440,316.92 - Step 5: Solve for x
x = 24,983,368,440,316.92/5,734,824.21 - Step 6: Final answer
x = 4,356,431.43
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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.