Finding the Fourth Proportional to 3,166,145.63, 4,369,284.67 and 1,715,840.99
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Solution
The fourth proportional to 3,166,145.63, 4,369,284.67 and 1,715,840.99 is: 2,367,862.57
Step by Step Solution
- Step 1: Write the proportion equation
3,166,145.63 : 4,369,284.67 = 1,715,840.99 : x - Step 2: Convert to fraction form
3,166,145.63/4,369,284.67 = 1,715,840.99/x - Step 3: Cross multiply
3,166,145.63x = 4,369,284.67 × 1,715,840.99 - Step 4: Simplify right side
3,166,145.63x = 7,496,997,733,764.62 - Step 5: Solve for x
x = 7,496,997,733,764.62/3,166,145.63 - Step 6: Final answer
x = 2,367,862.57
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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.