Finding the Fourth Proportional to 4,675,771.20, 7,013,725.92 and 1,309,765.44
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Solution
The fourth proportional to 4,675,771.20, 7,013,725.92 and 1,309,765.44 is: 1,964,667.52
Step by Step Solution
- Step 1: Write the proportion equation
4,675,771.20 : 7,013,725.92 = 1,309,765.44 : x - Step 2: Convert to fraction form
4,675,771.20/7,013,725.92 = 1,309,765.44/x - Step 3: Cross multiply
4,675,771.20x = 7,013,725.92 × 1,309,765.44 - Step 4: Simplify right side
4,675,771.20x = 9,186,335,815,648.21 - Step 5: Solve for x
x = 9,186,335,815,648.21/4,675,771.20 - Step 6: Final answer
x = 1,964,667.52
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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.