Finding the Fourth Proportional to 2,821,797.28, 3,893,413.15 and 1,660,294.24
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Solution
The fourth proportional to 2,821,797.28, 3,893,413.15 and 1,660,294.24 is: 2,290,813.54
Step by Step Solution
- Step 1: Write the proportion equation
2,821,797.28 : 3,893,413.15 = 1,660,294.24 : x - Step 2: Convert to fraction form
2,821,797.28/3,893,413.15 = 1,660,294.24/x - Step 3: Cross multiply
2,821,797.28x = 3,893,413.15 × 1,660,294.24 - Step 4: Simplify right side
2,821,797.28x = 6,464,211,426,885.26 - Step 5: Solve for x
x = 6,464,211,426,885.26/2,821,797.28 - Step 6: Final answer
x = 2,290,813.54
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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.