Finding the Fourth Proportional to 2,013,413.49, 2,778,511.07 and 1,107,995.49
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Solution
The fourth proportional to 2,013,413.49, 2,778,511.07 and 1,107,995.49 is: 1,529,034.03
Step by Step Solution
- Step 1: Write the proportion equation
2,013,413.49 : 2,778,511.07 = 1,107,995.49 : x - Step 2: Convert to fraction form
2,013,413.49/2,778,511.07 = 1,107,995.49/x - Step 3: Cross multiply
2,013,413.49x = 2,778,511.07 × 1,107,995.49 - Step 4: Simplify right side
2,013,413.49x = 3,078,577,734,475.07 - Step 5: Solve for x
x = 3,078,577,734,475.07/2,013,413.49 - Step 6: Final answer
x = 1,529,034.03
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1.5x scale
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.