Finding the Fourth Proportional to 1,798,413.70, 2,689,684.71 and 1,600,125.70
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Solution
The fourth proportional to 1,798,413.70, 2,689,684.71 and 1,600,125.70 is: 2,393,127.69
Step by Step Solution
- Step 1: Write the proportion equation
1,798,413.70 : 2,689,684.71 = 1,600,125.70 : x - Step 2: Convert to fraction form
1,798,413.70/2,689,684.71 = 1,600,125.70/x - Step 3: Cross multiply
1,798,413.70x = 2,689,684.71 × 1,600,125.70 - Step 4: Simplify right side
1,798,413.70x = 4,303,833,629,368.05 - Step 5: Solve for x
x = 4,303,833,629,368.05/1,798,413.70 - Step 6: Final answer
x = 2,393,127.69
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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.