Finding the Fourth Proportional to 4,132,207.20, 6,198,310.80 and 3,470,858.40
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Solution
The fourth proportional to 4,132,207.20, 6,198,310.80 and 3,470,858.40 is: 5,206,287.60
Step by Step Solution
- Step 1: Write the proportion equation
4,132,207.20 : 6,198,310.80 = 3,470,858.40 : x - Step 2: Convert to fraction form
4,132,207.20/6,198,310.80 = 3,470,858.40/x - Step 3: Cross multiply
4,132,207.20x = 6,198,310.80 × 3,470,858.40 - Step 4: Simplify right side
4,132,207.20x = 21,513,459,105,990.72 - Step 5: Solve for x
x = 21,513,459,105,990.72/4,132,207.20 - Step 6: Final answer
x = 5,206,287.60
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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.