Finding the Fourth Proportional to 5,489,086.40, 8,238,295.20 and 4,425,329.60
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Solution
The fourth proportional to 5,489,086.40, 8,238,295.20 and 4,425,329.60 is: 6,641,755.83
Step by Step Solution
- Step 1: Write the proportion equation
5,489,086.40 : 8,238,295.20 = 4,425,329.60 : x - Step 2: Convert to fraction form
5,489,086.40/8,238,295.20 = 4,425,329.60/x - Step 3: Cross multiply
5,489,086.40x = 8,238,295.20 × 4,425,329.60 - Step 4: Simplify right side
5,489,086.40x = 36,457,171,602,097.91 - Step 5: Solve for x
x = 36,457,171,602,097.91/5,489,086.40 - Step 6: Final answer
x = 6,641,755.83
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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.