Finding the Fourth Proportional to 3,219,229.36, 4,442,535.16 and 1,769,018.32
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Solution
The fourth proportional to 3,219,229.36, 4,442,535.16 and 1,769,018.32 is: 2,441,244.54
Step by Step Solution
- Step 1: Write the proportion equation
3,219,229.36 : 4,442,535.16 = 1,769,018.32 : x - Step 2: Convert to fraction form
3,219,229.36/4,442,535.16 = 1,769,018.32/x - Step 3: Cross multiply
3,219,229.36x = 4,442,535.16 × 1,769,018.32 - Step 4: Simplify right side
3,219,229.36x = 7,858,926,085,284.13 - Step 5: Solve for x
x = 7,858,926,085,284.13/3,219,229.36 - Step 6: Final answer
x = 2,441,244.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.