Finding the Fourth Proportional to 4,270,907.42, 5,892,940.74 and 2,529,123.98
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Solution
The fourth proportional to 4,270,907.42, 5,892,940.74 and 2,529,123.98 is: 3,489,651.33
Step by Step Solution
- Step 1: Write the proportion equation
4,270,907.42 : 5,892,940.74 = 2,529,123.98 : x - Step 2: Convert to fraction form
4,270,907.42/5,892,940.74 = 2,529,123.98/x - Step 3: Cross multiply
4,270,907.42x = 5,892,940.74 × 2,529,123.98 - Step 4: Simplify right side
4,270,907.42x = 14,903,977,738,252.95 - Step 5: Solve for x
x = 14,903,977,738,252.95/4,270,907.42 - Step 6: Final answer
x = 3,489,651.33
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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.