Finding the Fourth Proportional to 4,405,243.88, 6,080,965.54 and 3,122,787.56
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Solution
The fourth proportional to 4,405,243.88, 6,080,965.54 and 3,122,787.56 is: 4,310,672.48
Step by Step Solution
- Step 1: Write the proportion equation
4,405,243.88 : 6,080,965.54 = 3,122,787.56 : x - Step 2: Convert to fraction form
4,405,243.88/6,080,965.54 = 3,122,787.56/x - Step 3: Cross multiply
4,405,243.88x = 6,080,965.54 × 3,122,787.56 - Step 4: Simplify right side
4,405,243.88x = 18,989,563,541,100.68 - Step 5: Solve for x
x = 18,989,563,541,100.68/4,405,243.88 - Step 6: Final answer
x = 4,310,672.48
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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.