Finding the Fourth Proportional to 3,450,170.88, 5,168,623.43 and 1,929,240.83
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Solution
The fourth proportional to 3,450,170.88, 5,168,623.43 and 1,929,240.83 is: 2,890,152.32
Step by Step Solution
- Step 1: Write the proportion equation
3,450,170.88 : 5,168,623.43 = 1,929,240.83 : x - Step 2: Convert to fraction form
3,450,170.88/5,168,623.43 = 1,929,240.83/x - Step 3: Cross multiply
3,450,170.88x = 5,168,623.43 × 1,929,240.83 - Step 4: Simplify right side
3,450,170.88x = 9,971,519,373,795.31 - Step 5: Solve for x
x = 9,971,519,373,795.31/3,450,170.88 - Step 6: Final answer
x = 2,890,152.32
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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.