Finding the Fourth Proportional to 6,115,696.70, 8,439,715.89 and 3,324,825.63
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Solution
The fourth proportional to 6,115,696.70, 8,439,715.89 and 3,324,825.63 is: 4,588,288.97
Step by Step Solution
- Step 1: Write the proportion equation
6,115,696.70 : 8,439,715.89 = 3,324,825.63 : x - Step 2: Convert to fraction form
6,115,696.70/8,439,715.89 = 3,324,825.63/x - Step 3: Cross multiply
6,115,696.70x = 8,439,715.89 × 3,324,825.63 - Step 4: Simplify right side
6,115,696.70x = 28,060,583,700,990.26 - Step 5: Solve for x
x = 28,060,583,700,990.26/6,115,696.70 - Step 6: Final answer
x = 4,588,288.97
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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.