Finding the Fourth Proportional to 5,182,402.20, 7,151,694.93 and 2,859,439.31
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Solution
The fourth proportional to 5,182,402.20, 7,151,694.93 and 2,859,439.31 is: 3,946,015.15
Step by Step Solution
- Step 1: Write the proportion equation
5,182,402.20 : 7,151,694.93 = 2,859,439.31 : x - Step 2: Convert to fraction form
5,182,402.20/7,151,694.93 = 2,859,439.31/x - Step 3: Cross multiply
5,182,402.20x = 7,151,694.93 × 2,859,439.31 - Step 4: Simplify right side
5,182,402.20x = 20,449,837,580,211.22 - Step 5: Solve for x
x = 20,449,837,580,211.22/5,182,402.20 - Step 6: Final answer
x = 3,946,015.15
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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.