Finding the Fourth Proportional to 1,576,453.92, 2,159,749.70 and 1,517,413.42
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Solution
The fourth proportional to 1,576,453.92, 2,159,749.70 and 1,517,413.42 is: 2,078,863.92
Step by Step Solution
- Step 1: Write the proportion equation
1,576,453.92 : 2,159,749.70 = 1,517,413.42 : x - Step 2: Convert to fraction form
1,576,453.92/2,159,749.70 = 1,517,413.42/x - Step 3: Cross multiply
1,576,453.92x = 2,159,749.70 × 1,517,413.42 - Step 4: Simplify right side
1,576,453.92x = 3,277,233,178,620.97 - Step 5: Solve for x
x = 3,277,233,178,620.97/1,576,453.92 - Step 6: Final answer
x = 2,078,863.92
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.