Finding the Fourth Proportional to 3,997,120.68, 5,517,827.88 and 2,548,762.92
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Solution
The fourth proportional to 3,997,120.68, 5,517,827.88 and 2,548,762.92 is: 3,518,441.45
Step by Step Solution
- Step 1: Write the proportion equation
3,997,120.68 : 5,517,827.88 = 2,548,762.92 : x - Step 2: Convert to fraction form
3,997,120.68/5,517,827.88 = 2,548,762.92/x - Step 3: Cross multiply
3,997,120.68x = 5,517,827.88 × 2,548,762.92 - Step 4: Simplify right side
3,997,120.68x = 14,063,635,099,486.21 - Step 5: Solve for x
x = 14,063,635,099,486.21/3,997,120.68 - Step 6: Final answer
x = 3,518,441.45
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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.