Finding the Fourth Proportional to 4,848,060.10, 6,690,343.20 and 2,672,555.62
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Solution
The fourth proportional to 4,848,060.10, 6,690,343.20 and 2,672,555.62 is: 3,688,137.92
Step by Step Solution
- Step 1: Write the proportion equation
4,848,060.10 : 6,690,343.20 = 2,672,555.62 : x - Step 2: Convert to fraction form
4,848,060.10/6,690,343.20 = 2,672,555.62/x - Step 3: Cross multiply
4,848,060.10x = 6,690,343.20 × 2,672,555.62 - Step 4: Simplify right side
4,848,060.10x = 17,880,314,285,437.07 - Step 5: Solve for x
x = 17,880,314,285,437.07/4,848,060.10 - Step 6: Final answer
x = 3,688,137.92
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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.