Finding the Fourth Proportional to 3,196,916.94, 4,411,748.79 and 1,746,636.24
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Solution
The fourth proportional to 3,196,916.94, 4,411,748.79 and 1,746,636.24 is: 2,410,359.88
Step by Step Solution
- Step 1: Write the proportion equation
3,196,916.94 : 4,411,748.79 = 1,746,636.24 : x - Step 2: Convert to fraction form
3,196,916.94/4,411,748.79 = 1,746,636.24/x - Step 3: Cross multiply
3,196,916.94x = 4,411,748.79 × 1,746,636.24 - Step 4: Simplify right side
3,196,916.94x = 7,705,720,318,390.15 - Step 5: Solve for x
x = 7,705,720,318,390.15/3,196,916.94 - Step 6: Final answer
x = 2,410,359.88
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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.