Finding the Fourth Proportional to 2,075,413.70, 2,863,703.49 and 1,169,995.70
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Solution
The fourth proportional to 2,075,413.70, 2,863,703.49 and 1,169,995.70 is: 1,614,386.94
Step by Step Solution
- Step 1: Write the proportion equation
2,075,413.70 : 2,863,703.49 = 1,169,995.70 : x - Step 2: Convert to fraction form
2,075,413.70/2,863,703.49 = 1,169,995.70/x - Step 3: Cross multiply
2,075,413.70x = 2,863,703.49 × 1,169,995.70 - Step 4: Simplify right side
2,075,413.70x = 3,350,520,769,374.99 - Step 5: Solve for x
x = 3,350,520,769,374.99/2,075,413.70 - Step 6: Final answer
x = 1,614,386.94
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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.