Finding the Fourth Proportional to 6,744,138.99, 10,119,529.96 and 3,149,383.50
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Solution
The fourth proportional to 6,744,138.99, 10,119,529.96 and 3,149,383.50 is: 4,725,626.31
Step by Step Solution
- Step 1: Write the proportion equation
6,744,138.99 : 10,119,529.96 = 3,149,383.50 : x - Step 2: Convert to fraction form
6,744,138.99/10,119,529.96 = 3,149,383.50/x - Step 3: Cross multiply
6,744,138.99x = 10,119,529.96 × 3,149,383.50 - Step 4: Simplify right side
6,744,138.99x = 31,870,280,633,182.02 - Step 5: Solve for x
x = 31,870,280,633,182.02/6,744,138.99 - Step 6: Final answer
x = 4,725,626.31
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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.