Finding the Fourth Proportional to 6,512,519.40, 9,769,245.66 and 1,720,160.88
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Solution
The fourth proportional to 6,512,519.40, 9,769,245.66 and 1,720,160.88 is: 2,580,364.55
Step by Step Solution
- Step 1: Write the proportion equation
6,512,519.40 : 9,769,245.66 = 1,720,160.88 : x - Step 2: Convert to fraction form
6,512,519.40/9,769,245.66 = 1,720,160.88/x - Step 3: Cross multiply
6,512,519.40x = 9,769,245.66 × 1,720,160.88 - Step 4: Simplify right side
6,512,519.40x = 16,804,674,211,441.78 - Step 5: Solve for x
x = 16,804,674,211,441.78/6,512,519.40 - Step 6: Final answer
x = 2,580,364.55
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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.