Finding the Fourth Proportional to 4,379,904.20, 6,573,542.70 and 2,137,958.60
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Solution
The fourth proportional to 4,379,904.20, 6,573,542.70 and 2,137,958.60 is: 3,208,737.34
Step by Step Solution
- Step 1: Write the proportion equation
4,379,904.20 : 6,573,542.70 = 2,137,958.60 : x - Step 2: Convert to fraction form
4,379,904.20/6,573,542.70 = 2,137,958.60/x - Step 3: Cross multiply
4,379,904.20x = 6,573,542.70 × 2,137,958.60 - Step 4: Simplify right side
4,379,904.20x = 14,053,962,147,932.22 - Step 5: Solve for x
x = 14,053,962,147,932.22/4,379,904.20 - Step 6: Final answer
x = 3,208,737.34
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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.