Finding the Fourth Proportional to 3,174,367.44, 4,380,658.74 and 1,724,076.48
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Solution
The fourth proportional to 3,174,367.44, 4,380,658.74 and 1,724,076.48 is: 2,379,242.74
Step by Step Solution
- Step 1: Write the proportion equation
3,174,367.44 : 4,380,658.74 = 1,724,076.48 : x - Step 2: Convert to fraction form
3,174,367.44/4,380,658.74 = 1,724,076.48/x - Step 3: Cross multiply
3,174,367.44x = 4,380,658.74 × 1,724,076.48 - Step 4: Simplify right side
3,174,367.44x = 7,552,590,700,540.44 - Step 5: Solve for x
x = 7,552,590,700,540.44/3,174,367.44 - Step 6: Final answer
x = 2,379,242.74
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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.