Finding the Fourth Proportional to 3,763,553.68, 5,192,559.84 and 2,131,701.76
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Solution
The fourth proportional to 3,763,553.68, 5,192,559.84 and 2,131,701.76 is: 2,941,100.32
Step by Step Solution
- Step 1: Write the proportion equation
3,763,553.68 : 5,192,559.84 = 2,131,701.76 : x - Step 2: Convert to fraction form
3,763,553.68/5,192,559.84 = 2,131,701.76/x - Step 3: Cross multiply
3,763,553.68x = 5,192,559.84 × 2,131,701.76 - Step 4: Simplify right side
3,763,553.68x = 11,068,988,949,833.32 - Step 5: Solve for x
x = 11,068,988,949,833.32/3,763,553.68 - Step 6: Final answer
x = 2,941,100.32
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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.