Finding the Fourth Proportional to 3,231,547.42, 4,847,444.24 and 1,209,578.44
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Solution
The fourth proportional to 3,231,547.42, 4,847,444.24 and 1,209,578.44 is: 1,814,413.74
Step by Step Solution
- Step 1: Write the proportion equation
3,231,547.42 : 4,847,444.24 = 1,209,578.44 : x - Step 2: Convert to fraction form
3,231,547.42/4,847,444.24 = 1,209,578.44/x - Step 3: Cross multiply
3,231,547.42x = 4,847,444.24 × 1,209,578.44 - Step 4: Simplify right side
3,231,547.42x = 5,863,364,041,806.19 - Step 5: Solve for x
x = 5,863,364,041,806.19/3,231,547.42 - Step 6: Final answer
x = 1,814,413.74
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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.