Finding the Fourth Proportional to 4,677,693.88, 6,455,217.57 and 2,531,517.88
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Solution
The fourth proportional to 4,677,693.88, 6,455,217.57 and 2,531,517.88 is: 3,493,494.68
Step by Step Solution
- Step 1: Write the proportion equation
4,677,693.88 : 6,455,217.57 = 2,531,517.88 : x - Step 2: Convert to fraction form
4,677,693.88/6,455,217.57 = 2,531,517.88/x - Step 3: Cross multiply
4,677,693.88x = 6,455,217.57 × 2,531,517.88 - Step 4: Simplify right side
4,677,693.88x = 16,341,498,697,745.15 - Step 5: Solve for x
x = 16,341,498,697,745.15/4,677,693.88 - Step 6: Final answer
x = 3,493,494.68
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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.