Finding the Fourth Proportional to 2,243,342.15, 3,365,013.23 and 823,213.70
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Solution
The fourth proportional to 2,243,342.15, 3,365,013.23 and 823,213.70 is: 1,234,820.55
Step by Step Solution
- Step 1: Write the proportion equation
2,243,342.15 : 3,365,013.23 = 823,213.70 : x - Step 2: Convert to fraction form
2,243,342.15/3,365,013.23 = 823,213.70/x - Step 3: Cross multiply
2,243,342.15x = 3,365,013.23 × 823,213.70 - Step 4: Simplify right side
2,243,342.15x = 2,770,124,991,617.25 - Step 5: Solve for x
x = 2,770,124,991,617.25/2,243,342.15 - Step 6: Final answer
x = 1,234,820.55
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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.