Finding the Fourth Proportional to 4,491,414.12, 6,739,051.21 and 1,459,709.07
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Solution
The fourth proportional to 4,491,414.12, 6,739,051.21 and 1,459,709.07 is: 2,190,190.86
Step by Step Solution
- Step 1: Write the proportion equation
4,491,414.12 : 6,739,051.21 = 1,459,709.07 : x - Step 2: Convert to fraction form
4,491,414.12/6,739,051.21 = 1,459,709.07/x - Step 3: Cross multiply
4,491,414.12x = 6,739,051.21 × 1,459,709.07 - Step 4: Simplify right side
4,491,414.12x = 9,837,054,153,721.62 - Step 5: Solve for x
x = 9,837,054,153,721.62/4,491,414.12 - Step 6: Final answer
x = 2,190,190.86
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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.