Finding the Fourth Proportional to 4,138,229.70, 6,207,344.55 and 1,146,413.70
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Solution
The fourth proportional to 4,138,229.70, 6,207,344.55 and 1,146,413.70 is: 1,719,620.55
Step by Step Solution
- Step 1: Write the proportion equation
4,138,229.70 : 6,207,344.55 = 1,146,413.70 : x - Step 2: Convert to fraction form
4,138,229.70/6,207,344.55 = 1,146,413.70/x - Step 3: Cross multiply
4,138,229.70x = 6,207,344.55 × 1,146,413.70 - Step 4: Simplify right side
4,138,229.70x = 7,116,184,832,740.34 - Step 5: Solve for x
x = 7,116,184,832,740.34/4,138,229.70 - Step 6: Final answer
x = 1,719,620.55
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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.