Finding the Fourth Proportional to 5,195,468.84, 7,169,757.36 and 2,903,629.44
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Solution
The fourth proportional to 5,195,468.84, 7,169,757.36 and 2,903,629.44 is: 4,007,014.42
Step by Step Solution
- Step 1: Write the proportion equation
5,195,468.84 : 7,169,757.36 = 2,903,629.44 : x - Step 2: Convert to fraction form
5,195,468.84/7,169,757.36 = 2,903,629.44/x - Step 3: Cross multiply
5,195,468.84x = 7,169,757.36 × 2,903,629.44 - Step 4: Simplify right side
5,195,468.84x = 20,818,318,548,152.68 - Step 5: Solve for x
x = 20,818,318,548,152.68/5,195,468.84 - Step 6: Final answer
x = 4,007,014.42
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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.