Finding the Fourth Proportional to 1,966,402.73, 2,713,640.21 and 1,095,230.42
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Solution
The fourth proportional to 1,966,402.73, 2,713,640.21 and 1,095,230.42 is: 1,511,420.45
Step by Step Solution
- Step 1: Write the proportion equation
1,966,402.73 : 2,713,640.21 = 1,095,230.42 : x - Step 2: Convert to fraction form
1,966,402.73/2,713,640.21 = 1,095,230.42/x - Step 3: Cross multiply
1,966,402.73x = 2,713,640.21 × 1,095,230.42 - Step 4: Simplify right side
1,966,402.73x = 2,972,061,306,927.19 - Step 5: Solve for x
x = 2,972,061,306,927.19/1,966,402.73 - Step 6: Final answer
x = 1,511,420.45
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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.