Finding the Fourth Proportional to 3,821,113.16, 5,273,135.92 and 2,102,196.80
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Solution
The fourth proportional to 3,821,113.16, 5,273,135.92 and 2,102,196.80 is: 2,901,031.45
Step by Step Solution
- Step 1: Write the proportion equation
3,821,113.16 : 5,273,135.92 = 2,102,196.80 : x - Step 2: Convert to fraction form
3,821,113.16/5,273,135.92 = 2,102,196.80/x - Step 3: Cross multiply
3,821,113.16x = 5,273,135.92 × 2,102,196.80 - Step 4: Simplify right side
3,821,113.16x = 11,085,169,456,989.05 - Step 5: Solve for x
x = 11,085,169,456,989.05/3,821,113.16 - Step 6: Final answer
x = 2,901,031.45
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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.