Finding the Fourth Proportional to 5,781,182.54, 7,977,717.51 and 3,202,709.54
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Solution
The fourth proportional to 5,781,182.54, 7,977,717.51 and 3,202,709.54 is: 4,419,564.99
Step by Step Solution
- Step 1: Write the proportion equation
5,781,182.54 : 7,977,717.51 = 3,202,709.54 : x - Step 2: Convert to fraction form
5,781,182.54/7,977,717.51 = 3,202,709.54/x - Step 3: Cross multiply
5,781,182.54x = 7,977,717.51 × 3,202,709.54 - Step 4: Simplify right side
5,781,182.54x = 25,550,311,976,702.05 - Step 5: Solve for x
x = 25,550,311,976,702.05/5,781,182.54 - Step 6: Final answer
x = 4,419,564.99
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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.