Finding the Fourth Proportional to 2,519,512.80, 3,778,161.12 and 921,661.44
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Solution
The fourth proportional to 2,519,512.80, 3,778,161.12 and 921,661.44 is: 1,382,086.81
Step by Step Solution
- Step 1: Write the proportion equation
2,519,512.80 : 3,778,161.12 = 921,661.44 : x - Step 2: Convert to fraction form
2,519,512.80/3,778,161.12 = 921,661.44/x - Step 3: Cross multiply
2,519,512.80x = 3,778,161.12 × 921,661.44 - Step 4: Simplify right side
2,519,512.80x = 3,482,185,418,411.21 - Step 5: Solve for x
x = 3,482,185,418,411.21/2,519,512.80 - Step 6: Final answer
x = 1,382,086.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.