Finding the Fourth Proportional to 2,839,311.48, 3,917,651.04 and 1,806,446.28
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Solution
The fourth proportional to 2,839,311.48, 3,917,651.04 and 1,806,446.28 is: 2,492,514.89
Step by Step Solution
- Step 1: Write the proportion equation
2,839,311.48 : 3,917,651.04 = 1,806,446.28 : x - Step 2: Convert to fraction form
2,839,311.48/3,917,651.04 = 1,806,446.28/x - Step 3: Cross multiply
2,839,311.48x = 3,917,651.04 × 1,806,446.28 - Step 4: Simplify right side
2,839,311.48x = 7,077,026,147,546.13 - Step 5: Solve for x
x = 7,077,026,147,546.13/2,839,311.48 - Step 6: Final answer
x = 2,492,514.89
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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.