Finding the Fourth Proportional to 3,992,364.36, 5,990,262.12 and 1,297,515.42
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Solution
The fourth proportional to 3,992,364.36, 5,990,262.12 and 1,297,515.42 is: 1,946,830.69
Step by Step Solution
- Step 1: Write the proportion equation
3,992,364.36 : 5,990,262.12 = 1,297,515.42 : x - Step 2: Convert to fraction form
3,992,364.36/5,990,262.12 = 1,297,515.42/x - Step 3: Cross multiply
3,992,364.36x = 5,990,262.12 × 1,297,515.42 - Step 4: Simplify right side
3,992,364.36x = 7,772,457,470,541.89 - Step 5: Solve for x
x = 7,772,457,470,541.89/3,992,364.36 - Step 6: Final answer
x = 1,946,830.69
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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.