Finding the Fourth Proportional to 2,031,218.62, 3,046,121.34 and 816,434.61
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Solution
The fourth proportional to 2,031,218.62, 3,046,121.34 and 816,434.61 is: 1,224,367.90
Step by Step Solution
- Step 1: Write the proportion equation
2,031,218.62 : 3,046,121.34 = 816,434.61 : x - Step 2: Convert to fraction form
2,031,218.62/3,046,121.34 = 816,434.61/x - Step 3: Cross multiply
2,031,218.62x = 3,046,121.34 × 816,434.61 - Step 4: Simplify right side
2,031,218.62x = 2,486,958,878,343.44 - Step 5: Solve for x
x = 2,486,958,878,343.44/2,031,218.62 - Step 6: Final answer
x = 1,224,367.90
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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.