Finding the Fourth Proportional to 3,144,213.36, 4,342,308.21 and 2,166,694.02
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Solution
The fourth proportional to 3,144,213.36, 4,342,308.21 and 2,166,694.02 is: 2,992,307.50
Step by Step Solution
- Step 1: Write the proportion equation
3,144,213.36 : 4,342,308.21 = 2,166,694.02 : x - Step 2: Convert to fraction form
3,144,213.36/4,342,308.21 = 2,166,694.02/x - Step 3: Cross multiply
3,144,213.36x = 4,342,308.21 × 2,166,694.02 - Step 4: Simplify right side
3,144,213.36x = 9,408,453,231,603.90 - Step 5: Solve for x
x = 9,408,453,231,603.90/3,144,213.36 - Step 6: Final answer
x = 2,992,307.50
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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.