Finding the Fourth Proportional to 3,212,425.35, 4,433,146.99 and 1,762,124.25
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Solution
The fourth proportional to 3,212,425.35, 4,433,146.99 and 1,762,124.25 is: 2,431,731.46
Step by Step Solution
- Step 1: Write the proportion equation
3,212,425.35 : 4,433,146.99 = 1,762,124.25 : x - Step 2: Convert to fraction form
3,212,425.35/4,433,146.99 = 1,762,124.25/x - Step 3: Cross multiply
3,212,425.35x = 4,433,146.99 × 1,762,124.25 - Step 4: Simplify right side
3,212,425.35x = 7,811,755,804,354.13 - Step 5: Solve for x
x = 7,811,755,804,354.13/3,212,425.35 - Step 6: Final answer
x = 2,431,731.46
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1.5x scale
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.