Finding the Fourth Proportional to 1,278,827.06, 1,912,413.61 and 954,841.81
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Solution
The fourth proportional to 1,278,827.06, 1,912,413.61 and 954,841.81 is: 1,427,911.97
Step by Step Solution
- Step 1: Write the proportion equation
1,278,827.06 : 1,912,413.61 = 954,841.81 : x - Step 2: Convert to fraction form
1,278,827.06/1,912,413.61 = 954,841.81/x - Step 3: Cross multiply
1,278,827.06x = 1,912,413.61 × 954,841.81 - Step 4: Simplify right side
1,278,827.06x = 1,826,052,466,121.81 - Step 5: Solve for x
x = 1,826,052,466,121.81/1,278,827.06 - Step 6: Final answer
x = 1,427,911.97
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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.