Finding the Fourth Proportional to 5,675,866.71, 7,832,879.34 and 3,228,414.99
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Solution
The fourth proportional to 5,675,866.71, 7,832,879.34 and 3,228,414.99 is: 4,455,316.94
Step by Step Solution
- Step 1: Write the proportion equation
5,675,866.71 : 7,832,879.34 = 3,228,414.99 : x - Step 2: Convert to fraction form
5,675,866.71/7,832,879.34 = 3,228,414.99/x - Step 3: Cross multiply
5,675,866.71x = 7,832,879.34 × 3,228,414.99 - Step 4: Simplify right side
5,675,866.71x = 25,287,785,076,117.31 - Step 5: Solve for x
x = 25,287,785,076,117.31/5,675,866.71 - Step 6: Final answer
x = 4,455,316.94
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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.