Finding the Fourth Proportional to 7,524,390.81, 10,383,311.80 and 4,261,228.90
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Solution
The fourth proportional to 7,524,390.81, 10,383,311.80 and 4,261,228.90 is: 5,880,299.07
Step by Step Solution
- Step 1: Write the proportion equation
7,524,390.81 : 10,383,311.80 = 4,261,228.90 : x - Step 2: Convert to fraction form
7,524,390.81/10,383,311.80 = 4,261,228.90/x - Step 3: Cross multiply
7,524,390.81x = 10,383,311.80 × 4,261,228.90 - Step 4: Simplify right side
7,524,390.81x = 44,245,668,299,239.27 - Step 5: Solve for x
x = 44,245,668,299,239.27/7,524,390.81 - Step 6: Final answer
x = 5,880,299.07
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1.5x scale
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.