Finding the Fourth Proportional to 3,947,413.80, 5,921,295.66 and 1,107,463.08
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Solution
The fourth proportional to 3,947,413.80, 5,921,295.66 and 1,107,463.08 is: 1,661,243.71
Step by Step Solution
- Step 1: Write the proportion equation
3,947,413.80 : 5,921,295.66 = 1,107,463.08 : x - Step 2: Convert to fraction form
3,947,413.80/5,921,295.66 = 1,107,463.08/x - Step 3: Cross multiply
3,947,413.80x = 5,921,295.66 × 1,107,463.08 - Step 4: Simplify right side
3,947,413.80x = 6,557,616,329,214.23 - Step 5: Solve for x
x = 6,557,616,329,214.23/3,947,413.80 - Step 6: Final answer
x = 1,661,243.71
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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.