Finding the Fourth Proportional to 3,668,822.70, 5,063,442.50 and 2,218,528.53
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Solution
The fourth proportional to 3,668,822.70, 5,063,442.50 and 2,218,528.53 is: 3,061,851.87
Step by Step Solution
- Step 1: Write the proportion equation
3,668,822.70 : 5,063,442.50 = 2,218,528.53 : x - Step 2: Convert to fraction form
3,668,822.70/5,063,442.50 = 2,218,528.53/x - Step 3: Cross multiply
3,668,822.70x = 5,063,442.50 × 2,218,528.53 - Step 4: Simplify right side
3,668,822.70x = 11,233,391,656,692.25 - Step 5: Solve for x
x = 11,233,391,656,692.25/3,668,822.70 - Step 6: Final answer
x = 3,061,851.87
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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.