Finding the Fourth Proportional to 4,848,421.92, 6,690,699.24 and 2,672,914.80
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Solution
The fourth proportional to 4,848,421.92, 6,690,699.24 and 2,672,914.80 is: 3,688,554.61
Step by Step Solution
- Step 1: Write the proportion equation
4,848,421.92 : 6,690,699.24 = 2,672,914.80 : x - Step 2: Convert to fraction form
4,848,421.92/6,690,699.24 = 2,672,914.80/x - Step 3: Cross multiply
4,848,421.92x = 6,690,699.24 × 2,672,914.80 - Step 4: Simplify right side
4,848,421.92x = 17,883,669,020,944.75 - Step 5: Solve for x
x = 17,883,669,020,944.75/4,848,421.92 - Step 6: Final answer
x = 3,688,554.61
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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.