Finding the Fourth Proportional to 4,200,135.20, 6,295,537.20 and 2,308,234.40
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Solution
The fourth proportional to 4,200,135.20, 6,295,537.20 and 2,308,234.40 is: 3,459,787.56
Step by Step Solution
- Step 1: Write the proportion equation
4,200,135.20 : 6,295,537.20 = 2,308,234.40 : x - Step 2: Convert to fraction form
4,200,135.20/6,295,537.20 = 2,308,234.40/x - Step 3: Cross multiply
4,200,135.20x = 6,295,537.20 × 2,308,234.40 - Step 4: Simplify right side
4,200,135.20x = 14,531,575,531,519.68 - Step 5: Solve for x
x = 14,531,575,531,519.68/4,200,135.20 - Step 6: Final answer
x = 3,459,787.56
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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.