Finding the Fourth Proportional to 3,399,265.32, 4,691,260.38 and 1,949,095.68
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Solution
The fourth proportional to 3,399,265.32, 4,691,260.38 and 1,949,095.68 is: 2,689,909.28
Step by Step Solution
- Step 1: Write the proportion equation
3,399,265.32 : 4,691,260.38 = 1,949,095.68 : x - Step 2: Convert to fraction form
3,399,265.32/4,691,260.38 = 1,949,095.68/x - Step 3: Cross multiply
3,399,265.32x = 4,691,260.38 × 1,949,095.68 - Step 4: Simplify right side
3,399,265.32x = 9,143,715,340,413.16 - Step 5: Solve for x
x = 9,143,715,340,413.16/3,399,265.32 - Step 6: Final answer
x = 2,689,909.28
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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.