Finding the Fourth Proportional to 4,984,233.98, 7,476,243.37 and 1,389,905.26
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Solution
The fourth proportional to 4,984,233.98, 7,476,243.37 and 1,389,905.26 is: 2,084,827.88
Step by Step Solution
- Step 1: Write the proportion equation
4,984,233.98 : 7,476,243.37 = 1,389,905.26 : x - Step 2: Convert to fraction form
4,984,233.98/7,476,243.37 = 1,389,905.26/x - Step 3: Cross multiply
4,984,233.98x = 7,476,243.37 × 1,389,905.26 - Step 4: Simplify right side
4,984,233.98x = 10,391,269,985,003.13 - Step 5: Solve for x
x = 10,391,269,985,003.13/4,984,233.98 - Step 6: Final answer
x = 2,084,827.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.