Finding the Fourth Proportional to 5,147,274.64, 7,104,090.52 and 2,856,173.44
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Solution
The fourth proportional to 5,147,274.64, 7,104,090.52 and 2,856,173.44 is: 3,941,991.85
Step by Step Solution
- Step 1: Write the proportion equation
5,147,274.64 : 7,104,090.52 = 2,856,173.44 : x - Step 2: Convert to fraction form
5,147,274.64/7,104,090.52 = 2,856,173.44/x - Step 3: Cross multiply
5,147,274.64x = 7,104,090.52 × 2,856,173.44 - Step 4: Simplify right side
5,147,274.64x = 20,290,514,658,579.79 - Step 5: Solve for x
x = 20,290,514,658,579.79/5,147,274.64 - Step 6: Final answer
x = 3,941,991.85
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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.