Finding the Fourth Proportional to 3,992,427, 5,990,356.63 and 1,297,578.60
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Solution
The fourth proportional to 3,992,427, 5,990,356.63 and 1,297,578.60 is: 1,946,925.66
Step by Step Solution
- Step 1: Write the proportion equation
3,992,427 : 5,990,356.63 = 1,297,578.60 : x - Step 2: Convert to fraction form
3,992,427/5,990,356.63 = 1,297,578.60/x - Step 3: Cross multiply
3,992,427x = 5,990,356.63 × 1,297,578.60 - Step 4: Simplify right side
3,992,427x = 7,772,958,569,456.12 - Step 5: Solve for x
x = 7,772,958,569,456.12/3,992,427 - Step 6: Final answer
x = 1,946,925.66
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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.