Finding the Fourth Proportional to 3,043,339.68, 4,199,935.42 and 1,685,212.68
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Solution
The fourth proportional to 3,043,339.68, 4,199,935.42 and 1,685,212.68 is: 2,325,663.64
Step by Step Solution
- Step 1: Write the proportion equation
3,043,339.68 : 4,199,935.42 = 1,685,212.68 : x - Step 2: Convert to fraction form
3,043,339.68/4,199,935.42 = 1,685,212.68/x - Step 3: Cross multiply
3,043,339.68x = 4,199,935.42 × 1,685,212.68 - Step 4: Simplify right side
3,043,339.68x = 7,077,784,424,965.13 - Step 5: Solve for x
x = 7,077,784,424,965.13/3,043,339.68 - Step 6: Final answer
x = 2,325,663.64
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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.