Finding the Fourth Proportional to 4,848,329.12, 6,690,740.72 and 2,672,951.84
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Solution
The fourth proportional to 4,848,329.12, 6,690,740.72 and 2,672,951.84 is: 3,688,699.19
Step by Step Solution
- Step 1: Write the proportion equation
4,848,329.12 : 6,690,740.72 = 2,672,951.84 : x - Step 2: Convert to fraction form
4,848,329.12/6,690,740.72 = 2,672,951.84/x - Step 3: Cross multiply
4,848,329.12x = 6,690,740.72 × 2,672,951.84 - Step 4: Simplify right side
4,848,329.12x = 17,884,027,718,486.92 - Step 5: Solve for x
x = 17,884,027,718,486.92/4,848,329.12 - Step 6: Final answer
x = 3,688,699.19
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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.