Finding the Fourth Proportional to 3,931,620.38, 5,898,413.14 and 3,125,047.96
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Solution
The fourth proportional to 3,931,620.38, 5,898,413.14 and 3,125,047.96 is: 4,688,352.94
Step by Step Solution
- Step 1: Write the proportion equation
3,931,620.38 : 5,898,413.14 = 3,125,047.96 : x - Step 2: Convert to fraction form
3,931,620.38/5,898,413.14 = 3,125,047.96/x - Step 3: Cross multiply
3,931,620.38x = 5,898,413.14 × 3,125,047.96 - Step 4: Simplify right side
3,931,620.38x = 18,432,823,950,394.19 - Step 5: Solve for x
x = 18,432,823,950,394.19/3,931,620.38 - Step 6: Final answer
x = 4,688,352.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.