Finding the Fourth Proportional to 3,902,913.20, 5,854,369.80 and 2,563,540.40
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Solution
The fourth proportional to 3,902,913.20, 5,854,369.80 and 2,563,540.40 is: 3,845,310.60
Step by Step Solution
- Step 1: Write the proportion equation
3,902,913.20 : 5,854,369.80 = 2,563,540.40 : x - Step 2: Convert to fraction form
3,902,913.20/5,854,369.80 = 2,563,540.40/x - Step 3: Cross multiply
3,902,913.20x = 5,854,369.80 × 2,563,540.40 - Step 4: Simplify right side
3,902,913.20x = 15,007,913,498,839.92 - Step 5: Solve for x
x = 15,007,913,498,839.92/3,902,913.20 - Step 6: Final answer
x = 3,845,310.60
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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.