Finding the Fourth Proportional to 4,318,823.49, 6,482,220.44 and 2,190,402.29
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Solution
The fourth proportional to 4,318,823.49, 6,482,220.44 and 2,190,402.29 is: 3,287,624.62
Step by Step Solution
- Step 1: Write the proportion equation
4,318,823.49 : 6,482,220.44 = 2,190,402.29 : x - Step 2: Convert to fraction form
4,318,823.49/6,482,220.44 = 2,190,402.29/x - Step 3: Cross multiply
4,318,823.49x = 6,482,220.44 × 2,190,402.29 - Step 4: Simplify right side
4,318,823.49x = 14,198,670,452,697.69 - Step 5: Solve for x
x = 14,198,670,452,697.69/4,318,823.49 - Step 6: Final answer
x = 3,287,624.62
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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.