Finding the Fourth Proportional to 6,512,453.37, 8,987,485.68 and 3,611,671.38
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Solution
The fourth proportional to 6,512,453.37, 8,987,485.68 and 3,611,671.38 is: 4,984,272.89
Step by Step Solution
- Step 1: Write the proportion equation
6,512,453.37 : 8,987,485.68 = 3,611,671.38 : x - Step 2: Convert to fraction form
6,512,453.37/8,987,485.68 = 3,611,671.38/x - Step 3: Cross multiply
6,512,453.37x = 8,987,485.68 × 3,611,671.38 - Step 4: Simplify right side
6,512,453.37x = 32,459,844,808,615.84 - Step 5: Solve for x
x = 32,459,844,808,615.84/6,512,453.37 - Step 6: Final answer
x = 4,984,272.89
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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.