Finding the Fourth Proportional to 2,874,620.10, 4,311,930.15 and 1,457,444.10
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Solution
The fourth proportional to 2,874,620.10, 4,311,930.15 and 1,457,444.10 is: 2,186,166.15
Step by Step Solution
- Step 1: Write the proportion equation
2,874,620.10 : 4,311,930.15 = 1,457,444.10 : x - Step 2: Convert to fraction form
2,874,620.10/4,311,930.15 = 1,457,444.10/x - Step 3: Cross multiply
2,874,620.10x = 4,311,930.15 × 1,457,444.10 - Step 4: Simplify right side
2,874,620.10x = 6,284,397,156,729.62 - Step 5: Solve for x
x = 6,284,397,156,729.62/2,874,620.10 - Step 6: Final answer
x = 2,186,166.15
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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.