Finding the Fourth Proportional to 3,548,797.20, 5,321,251.80 and 1,747,720.08
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Solution
The fourth proportional to 3,548,797.20, 5,321,251.80 and 1,747,720.08 is: 2,620,622.73
Step by Step Solution
- Step 1: Write the proportion equation
3,548,797.20 : 5,321,251.80 = 1,747,720.08 : x - Step 2: Convert to fraction form
3,548,797.20/5,321,251.80 = 1,747,720.08/x - Step 3: Cross multiply
3,548,797.20x = 5,321,251.80 × 1,747,720.08 - Step 4: Simplify right side
3,548,797.20x = 9,300,058,621,596.15 - Step 5: Solve for x
x = 9,300,058,621,596.15/3,548,797.20 - Step 6: Final answer
x = 2,620,622.73
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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.