Finding the Fourth Proportional to 2,947,481.66, 4,067,495.97 and 1,640,712.98
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Solution
The fourth proportional to 2,947,481.66, 4,067,495.97 and 1,640,712.98 is: 2,264,167.92
Step by Step Solution
- Step 1: Write the proportion equation
2,947,481.66 : 4,067,495.97 = 1,640,712.98 : x - Step 2: Convert to fraction form
2,947,481.66/4,067,495.97 = 1,640,712.98/x - Step 3: Cross multiply
2,947,481.66x = 4,067,495.97 × 1,640,712.98 - Step 4: Simplify right side
2,947,481.66x = 6,673,593,413,739.21 - Step 5: Solve for x
x = 6,673,593,413,739.21/2,947,481.66 - Step 6: Final answer
x = 2,264,167.92
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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.