Finding the Fourth Proportional to 2,273,643.36, 3,136,882.68 and 1,620,372.29
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Solution
The fourth proportional to 2,273,643.36, 3,136,882.68 and 1,620,372.29 is: 2,235,582.70
Step by Step Solution
- Step 1: Write the proportion equation
2,273,643.36 : 3,136,882.68 = 1,620,372.29 : x - Step 2: Convert to fraction form
2,273,643.36/3,136,882.68 = 1,620,372.29/x - Step 3: Cross multiply
2,273,643.36x = 3,136,882.68 × 1,620,372.29 - Step 4: Simplify right side
2,273,643.36x = 5,082,917,755,968.52 - Step 5: Solve for x
x = 5,082,917,755,968.52/2,273,643.36 - Step 6: Final answer
x = 2,235,582.70
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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.