Finding the Fourth Proportional to 5,203,031.19, 7,180,375.28 and 2,848,393.99
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Solution
The fourth proportional to 5,203,031.19, 7,180,375.28 and 2,848,393.99 is: 3,930,888.95
Step by Step Solution
- Step 1: Write the proportion equation
5,203,031.19 : 7,180,375.28 = 2,848,393.99 : x - Step 2: Convert to fraction form
5,203,031.19/7,180,375.28 = 2,848,393.99/x - Step 3: Cross multiply
5,203,031.19x = 7,180,375.28 × 2,848,393.99 - Step 4: Simplify right side
5,203,031.19x = 20,452,537,812,263.39 - Step 5: Solve for x
x = 20,452,537,812,263.39/5,203,031.19 - Step 6: Final answer
x = 3,930,888.95
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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.