Finding the Fourth Proportional to 6,162,678.18, 9,242,211.09 and 2,321,729.34
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Solution
The fourth proportional to 6,162,678.18, 9,242,211.09 and 2,321,729.34 is: 3,481,913.55
Step by Step Solution
- Step 1: Write the proportion equation
6,162,678.18 : 9,242,211.09 = 2,321,729.34 : x - Step 2: Convert to fraction form
6,162,678.18/9,242,211.09 = 2,321,729.34/x - Step 3: Cross multiply
6,162,678.18x = 9,242,211.09 × 2,321,729.34 - Step 4: Simplify right side
6,162,678.18x = 21,457,912,654,126.38 - Step 5: Solve for x
x = 21,457,912,654,126.38/6,162,678.18 - Step 6: Final answer
x = 3,481,913.55
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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.