Finding the Fourth Proportional to 5,035,714.64, 7,555,804.62 and 2,638,989.44
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Solution
The fourth proportional to 5,035,714.64, 7,555,804.62 and 2,638,989.44 is: 3,959,654.20
Step by Step Solution
- Step 1: Write the proportion equation
5,035,714.64 : 7,555,804.62 = 2,638,989.44 : x - Step 2: Convert to fraction form
5,035,714.64/7,555,804.62 = 2,638,989.44/x - Step 3: Cross multiply
5,035,714.64x = 7,555,804.62 × 2,638,989.44 - Step 4: Simplify right side
5,035,714.64x = 19,939,688,602,883.21 - Step 5: Solve for x
x = 19,939,688,602,883.21/5,035,714.64 - Step 6: Final answer
x = 3,959,654.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.