Finding the Fourth Proportional to 5,696,754.91, 7,861,543.02 and 3,118,675.57
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Solution
The fourth proportional to 5,696,754.91, 7,861,543.02 and 3,118,675.57 is: 4,303,783.92
Step by Step Solution
- Step 1: Write the proportion equation
5,696,754.91 : 7,861,543.02 = 3,118,675.57 : x - Step 2: Convert to fraction form
5,696,754.91/7,861,543.02 = 3,118,675.57/x - Step 3: Cross multiply
5,696,754.91x = 7,861,543.02 × 3,118,675.57 - Step 4: Simplify right side
5,696,754.91x = 24,517,602,139,324.16 - Step 5: Solve for x
x = 24,517,602,139,324.16/5,696,754.91 - Step 6: Final answer
x = 4,303,783.92
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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.