Finding the Fourth Proportional to 7,716,211.57, 11,574,317.66 and 2,598,213.05
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Solution
The fourth proportional to 7,716,211.57, 11,574,317.66 and 2,598,213.05 is: 3,897,319.68
Step by Step Solution
- Step 1: Write the proportion equation
7,716,211.57 : 11,574,317.66 = 2,598,213.05 : x - Step 2: Convert to fraction form
7,716,211.57/11,574,317.66 = 2,598,213.05/x - Step 3: Cross multiply
7,716,211.57x = 11,574,317.66 × 2,598,213.05 - Step 4: Simplify right side
7,716,211.57x = 30,072,543,241,318.98 - Step 5: Solve for x
x = 30,072,543,241,318.98/7,716,211.57 - Step 6: Final answer
x = 3,897,319.68
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1.5x scale
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.