Finding the Fourth Proportional to 4,820,172.35, 6,651,837.12 and 2,755,232.26
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Solution
The fourth proportional to 4,820,172.35, 6,651,837.12 and 2,755,232.26 is: 3,802,220.11
Step by Step Solution
- Step 1: Write the proportion equation
4,820,172.35 : 6,651,837.12 = 2,755,232.26 : x - Step 2: Convert to fraction form
4,820,172.35/6,651,837.12 = 2,755,232.26/x - Step 3: Cross multiply
4,820,172.35x = 6,651,837.12 × 2,755,232.26 - Step 4: Simplify right side
4,820,172.35x = 18,327,356,221,289.49 - Step 5: Solve for x
x = 18,327,356,221,289.49/4,820,172.35 - Step 6: Final answer
x = 3,802,220.11
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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.