Finding the Fourth Proportional to 2,289,991.76, 3,160,042.44 and 1,271,396.24
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Solution
The fourth proportional to 2,289,991.76, 3,160,042.44 and 1,271,396.24 is: 1,754,445.65
Step by Step Solution
- Step 1: Write the proportion equation
2,289,991.76 : 3,160,042.44 = 1,271,396.24 : x - Step 2: Convert to fraction form
2,289,991.76/3,160,042.44 = 1,271,396.24/x - Step 3: Cross multiply
2,289,991.76x = 3,160,042.44 × 1,271,396.24 - Step 4: Simplify right side
2,289,991.76x = 4,017,666,076,456.43 - Step 5: Solve for x
x = 4,017,666,076,456.43/2,289,991.76 - Step 6: Final answer
x = 1,754,445.65
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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.