Finding the Fourth Proportional to 3,388,618.98, 4,676,299.83 and 1,860,822.90
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Solution
The fourth proportional to 3,388,618.98, 4,676,299.83 and 1,860,822.90 is: 2,567,938.70
Step by Step Solution
- Step 1: Write the proportion equation
3,388,618.98 : 4,676,299.83 = 1,860,822.90 : x - Step 2: Convert to fraction form
3,388,618.98/4,676,299.83 = 1,860,822.90/x - Step 3: Cross multiply
3,388,618.98x = 4,676,299.83 × 1,860,822.90 - Step 4: Simplify right side
3,388,618.98x = 8,701,765,810,930.11 - Step 5: Solve for x
x = 8,701,765,810,930.11/3,388,618.98 - Step 6: Final answer
x = 2,567,938.70
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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.