Finding the Fourth Proportional to 5,701,880.49, 7,868,684.30 and 3,123,391.08
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Solution
The fourth proportional to 5,701,880.49, 7,868,684.30 and 3,123,391.08 is: 4,310,328.57
Step by Step Solution
- Step 1: Write the proportion equation
5,701,880.49 : 7,868,684.30 = 3,123,391.08 : x - Step 2: Convert to fraction form
5,701,880.49/7,868,684.30 = 3,123,391.08/x - Step 3: Cross multiply
5,701,880.49x = 7,868,684.30 × 3,123,391.08 - Step 4: Simplify right side
5,701,880.49x = 24,576,978,385,415.73 - Step 5: Solve for x
x = 24,576,978,385,415.73/5,701,880.49 - Step 6: Final answer
x = 4,310,328.57
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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.