Finding the Fourth Proportional to 6,613,515.68, 9,920,754.66 and 2,771,481.56
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Solution
The fourth proportional to 6,613,515.68, 9,920,754.66 and 2,771,481.56 is: 4,157,423.97
Step by Step Solution
- Step 1: Write the proportion equation
6,613,515.68 : 9,920,754.66 = 2,771,481.56 : x - Step 2: Convert to fraction form
6,613,515.68/9,920,754.66 = 2,771,481.56/x - Step 3: Cross multiply
6,613,515.68x = 9,920,754.66 × 2,771,481.56 - Step 4: Simplify right side
6,613,515.68x = 27,495,188,601,474.07 - Step 5: Solve for x
x = 27,495,188,601,474.07/6,613,515.68 - Step 6: Final answer
x = 4,157,423.97
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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.