Finding the Fourth Proportional to 5,903,963.69, 8,147,218.14 and 3,290,328.68
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Solution
The fourth proportional to 5,903,963.69, 8,147,218.14 and 3,290,328.68 is: 4,540,513.27
Step by Step Solution
- Step 1: Write the proportion equation
5,903,963.69 : 8,147,218.14 = 3,290,328.68 : x - Step 2: Convert to fraction form
5,903,963.69/8,147,218.14 = 3,290,328.68/x - Step 3: Cross multiply
5,903,963.69x = 8,147,218.14 × 3,290,328.68 - Step 4: Simplify right side
5,903,963.69x = 26,807,025,467,522.16 - Step 5: Solve for x
x = 26,807,025,467,522.16/5,903,963.69 - Step 6: Final answer
x = 4,540,513.27
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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.