Finding the Fourth Proportional to 3,532,586.65, 4,875,087.26 and 1,984,120.79
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Solution
The fourth proportional to 3,532,586.65, 4,875,087.26 and 1,984,120.79 is: 2,738,152.78
Step by Step Solution
- Step 1: Write the proportion equation
3,532,586.65 : 4,875,087.26 = 1,984,120.79 : x - Step 2: Convert to fraction form
3,532,586.65/4,875,087.26 = 1,984,120.79/x - Step 3: Cross multiply
3,532,586.65x = 4,875,087.26 × 1,984,120.79 - Step 4: Simplify right side
3,532,586.65x = 9,672,761,966,215.00 - Step 5: Solve for x
x = 9,672,761,966,215.00/3,532,586.65 - Step 6: Final answer
x = 2,738,152.78
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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.