Finding the Fourth Proportional to 5,569,413.72, 7,685,652.12 and 3,088,620
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Solution
The fourth proportional to 5,569,413.72, 7,685,652.12 and 3,088,620 is: 4,262,218.62
Step by Step Solution
- Step 1: Write the proportion equation
5,569,413.72 : 7,685,652.12 = 3,088,620 : x - Step 2: Convert to fraction form
5,569,413.72/7,685,652.12 = 3,088,620/x - Step 3: Cross multiply
5,569,413.72x = 7,685,652.12 × 3,088,620 - Step 4: Simplify right side
5,569,413.72x = 23,738,058,850,874.40 - Step 5: Solve for x
x = 23,738,058,850,874.40/5,569,413.72 - Step 6: Final answer
x = 4,262,218.62
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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.