Finding the Fourth Proportional to 1,638,376.27, 2,261,929.21 and 1,456,586.08
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Solution
The fourth proportional to 1,638,376.27, 2,261,929.21 and 1,456,586.08 is: 2,010,951.12
Step by Step Solution
- Step 1: Write the proportion equation
1,638,376.27 : 2,261,929.21 = 1,456,586.08 : x - Step 2: Convert to fraction form
1,638,376.27/2,261,929.21 = 1,456,586.08/x - Step 3: Cross multiply
1,638,376.27x = 2,261,929.21 × 1,456,586.08 - Step 4: Simplify right side
1,638,376.27x = 3,294,694,591,935.11 - Step 5: Solve for x
x = 3,294,694,591,935.11/1,638,376.27 - Step 6: Final answer
x = 2,010,951.12
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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.