Finding the Fourth Proportional to 4,820,171.28, 6,651,835.64 and 2,755,231.18
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Solution
The fourth proportional to 4,820,171.28, 6,651,835.64 and 2,755,231.18 is: 3,802,218.61
Step by Step Solution
- Step 1: Write the proportion equation
4,820,171.28 : 6,651,835.64 = 2,755,231.18 : x - Step 2: Convert to fraction form
4,820,171.28/6,651,835.64 = 2,755,231.18/x - Step 3: Cross multiply
4,820,171.28x = 6,651,835.64 × 2,755,231.18 - Step 4: Simplify right side
4,820,171.28x = 18,327,344,959,563.25 - Step 5: Solve for x
x = 18,327,344,959,563.25/4,820,171.28 - Step 6: Final answer
x = 3,802,218.61
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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.