Finding the Fourth Proportional to 5,203,031.94, 7,180,376.32 and 2,848,394.75
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Solution
The fourth proportional to 5,203,031.94, 7,180,376.32 and 2,848,394.75 is: 3,930,889.99
Step by Step Solution
- Step 1: Write the proportion equation
5,203,031.94 : 7,180,376.32 = 2,848,394.75 : x - Step 2: Convert to fraction form
5,203,031.94/7,180,376.32 = 2,848,394.75/x - Step 3: Cross multiply
5,203,031.94x = 7,180,376.32 × 2,848,394.75 - Step 4: Simplify right side
5,203,031.94x = 20,452,546,177,010.44 - Step 5: Solve for x
x = 20,452,546,177,010.44/5,203,031.94 - Step 6: Final answer
x = 3,930,889.99
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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.