Finding the Fourth Proportional to 5,939,992.48, 8,197,222.80 and 3,361,678.24
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Solution
The fourth proportional to 5,939,992.48, 8,197,222.80 and 3,361,678.24 is: 4,639,134.75
Step by Step Solution
- Step 1: Write the proportion equation
5,939,992.48 : 8,197,222.80 = 3,361,678.24 : x - Step 2: Convert to fraction form
5,939,992.48/8,197,222.80 = 3,361,678.24/x - Step 3: Cross multiply
5,939,992.48x = 8,197,222.80 × 3,361,678.24 - Step 4: Simplify right side
5,939,992.48x = 27,556,425,515,191.88 - Step 5: Solve for x
x = 27,556,425,515,191.88/5,939,992.48 - Step 6: Final answer
x = 4,639,134.75
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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.