Finding the Fourth Proportional to 6,228,775.80, 9,343,163.70 and 4,969,063.80
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Solution
The fourth proportional to 6,228,775.80, 9,343,163.70 and 4,969,063.80 is: 7,453,595.70
Step by Step Solution
- Step 1: Write the proportion equation
6,228,775.80 : 9,343,163.70 = 4,969,063.80 : x - Step 2: Convert to fraction form
6,228,775.80/9,343,163.70 = 4,969,063.80/x - Step 3: Cross multiply
6,228,775.80x = 9,343,163.70 × 4,969,063.80 - Step 4: Simplify right side
6,228,775.80x = 46,426,776,519,144.05 - Step 5: Solve for x
x = 46,426,776,519,144.05/6,228,775.80 - Step 6: Final answer
x = 7,453,595.70
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1.5x scale
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.