Finding the Fourth Proportional to 1,995,505.80, 2,992,772.70 and 575,413.80
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Solution
The fourth proportional to 1,995,505.80, 2,992,772.70 and 575,413.80 is: 862,980.56
Step by Step Solution
- Step 1: Write the proportion equation
1,995,505.80 : 2,992,772.70 = 575,413.80 : x - Step 2: Convert to fraction form
1,995,505.80/2,992,772.70 = 575,413.80/x - Step 3: Cross multiply
1,995,505.80x = 2,992,772.70 × 575,413.80 - Step 4: Simplify right side
1,995,505.80x = 1,722,082,711,843.26 - Step 5: Solve for x
x = 1,722,082,711,843.26/1,995,505.80 - Step 6: Final answer
x = 862,980.56
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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.