Finding the Fourth Proportional to 5,696,814.24, 7,861,613.60 and 3,118,496.64
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Solution
The fourth proportional to 5,696,814.24, 7,861,613.60 and 3,118,496.64 is: 4,303,530.81
Step by Step Solution
- Step 1: Write the proportion equation
5,696,814.24 : 7,861,613.60 = 3,118,496.64 : x - Step 2: Convert to fraction form
5,696,814.24/7,861,613.60 = 3,118,496.64/x - Step 3: Cross multiply
5,696,814.24x = 7,861,613.60 × 3,118,496.64 - Step 4: Simplify right side
5,696,814.24x = 24,516,415,596,578.30 - Step 5: Solve for x
x = 24,516,415,596,578.30/5,696,814.24 - Step 6: Final answer
x = 4,303,530.81
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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.