Finding the Fourth Proportional to 2,990,583.09, 4,485,874.62 and 2,990,583.09
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Solution
The fourth proportional to 2,990,583.09, 4,485,874.62 and 2,990,583.09 is: 4,485,874.62
Step by Step Solution
- Step 1: Write the proportion equation
2,990,583.09 : 4,485,874.62 = 2,990,583.09 : x - Step 2: Convert to fraction form
2,990,583.09/4,485,874.62 = 2,990,583.09/x - Step 3: Cross multiply
2,990,583.09x = 4,485,874.62 × 2,990,583.09 - Step 4: Simplify right side
2,990,583.09x = 13,415,380,782,432.18 - Step 5: Solve for x
x = 13,415,380,782,432.18/2,990,583.09 - Step 6: Final answer
x = 4,485,874.62
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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.