Finding the Fourth Proportional to 4,675,557.10, 7,011,586.05 and 1,641,750.70
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Solution
The fourth proportional to 4,675,557.10, 7,011,586.05 and 1,641,750.70 is: 2,462,011.70
Step by Step Solution
- Step 1: Write the proportion equation
4,675,557.10 : 7,011,586.05 = 1,641,750.70 : x - Step 2: Convert to fraction form
4,675,557.10/7,011,586.05 = 1,641,750.70/x - Step 3: Cross multiply
4,675,557.10x = 7,011,586.05 × 1,641,750.70 - Step 4: Simplify right side
4,675,557.10x = 11,511,276,305,697.73 - Step 5: Solve for x
x = 11,511,276,305,697.73/4,675,557.10 - Step 6: Final answer
x = 2,462,011.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.