Finding the Fourth Proportional to 4,145,296.40, 6,222,610.20 and 3,202,845.20
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Solution
The fourth proportional to 4,145,296.40, 6,222,610.20 and 3,202,845.20 is: 4,807,872.66
Step by Step Solution
- Step 1: Write the proportion equation
4,145,296.40 : 6,222,610.20 = 3,202,845.20 : x - Step 2: Convert to fraction form
4,145,296.40/6,222,610.20 = 3,202,845.20/x - Step 3: Cross multiply
4,145,296.40x = 6,222,610.20 × 3,202,845.20 - Step 4: Simplify right side
4,145,296.40x = 19,930,057,210,541.04 - Step 5: Solve for x
x = 19,930,057,210,541.04/4,145,296.40 - Step 6: Final answer
x = 4,807,872.66
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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.