Finding the Fourth Proportional to 3,893,694.84, 5,844,205.49 and 1,975,982.58
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Solution
The fourth proportional to 3,893,694.84, 5,844,205.49 and 1,975,982.58 is: 2,965,832.89
Step by Step Solution
- Step 1: Write the proportion equation
3,893,694.84 : 5,844,205.49 = 1,975,982.58 : x - Step 2: Convert to fraction form
3,893,694.84/5,844,205.49 = 1,975,982.58/x - Step 3: Cross multiply
3,893,694.84x = 5,844,205.49 × 1,975,982.58 - Step 4: Simplify right side
3,893,694.84x = 11,548,048,232,300.45 - Step 5: Solve for x
x = 11,548,048,232,300.45/3,893,694.84 - Step 6: Final answer
x = 2,965,832.89
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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.