Finding the Fourth Proportional to 5,996,018.40, 8,990,917.20 and 2,207,551.20
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Solution
The fourth proportional to 5,996,018.40, 8,990,917.20 and 2,207,551.20 is: 3,310,181.65
Step by Step Solution
- Step 1: Write the proportion equation
5,996,018.40 : 8,990,917.20 = 2,207,551.20 : x - Step 2: Convert to fraction form
5,996,018.40/8,990,917.20 = 2,207,551.20/x - Step 3: Cross multiply
5,996,018.40x = 8,990,917.20 × 2,207,551.20 - Step 4: Simplify right side
5,996,018.40x = 19,847,910,053,960.64 - Step 5: Solve for x
x = 19,847,910,053,960.64/5,996,018.40 - Step 6: Final answer
x = 3,310,181.65
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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.