Finding the Fourth Proportional to 3,669,972.40, 5,504,958.60 and 2,725,188.40
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Solution
The fourth proportional to 3,669,972.40, 5,504,958.60 and 2,725,188.40 is: 4,087,782.60
Step by Step Solution
- Step 1: Write the proportion equation
3,669,972.40 : 5,504,958.60 = 2,725,188.40 : x - Step 2: Convert to fraction form
3,669,972.40/5,504,958.60 = 2,725,188.40/x - Step 3: Cross multiply
3,669,972.40x = 5,504,958.60 × 2,725,188.40 - Step 4: Simplify right side
3,669,972.40x = 15,002,049,319,200.24 - Step 5: Solve for x
x = 15,002,049,319,200.24/3,669,972.40 - Step 6: Final answer
x = 4,087,782.60
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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.