Finding the Fourth Proportional to 5,422,308.09, 7,482,861.50 and 2,974,874.66
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Solution
The fourth proportional to 5,422,308.09, 7,482,861.50 and 2,974,874.66 is: 4,105,368.90
Step by Step Solution
- Step 1: Write the proportion equation
5,422,308.09 : 7,482,861.50 = 2,974,874.66 : x - Step 2: Convert to fraction form
5,422,308.09/7,482,861.50 = 2,974,874.66/x - Step 3: Cross multiply
5,422,308.09x = 7,482,861.50 × 2,974,874.66 - Step 4: Simplify right side
5,422,308.09x = 22,260,575,008,350.91 - Step 5: Solve for x
x = 22,260,575,008,350.91/5,422,308.09 - Step 6: Final answer
x = 4,105,368.90
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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.