Finding the Fourth Proportional to 3,995,021.09, 5,513,187.30 and 2,252,774.18
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Solution
The fourth proportional to 3,995,021.09, 5,513,187.30 and 2,252,774.18 is: 3,108,861.18
Step by Step Solution
- Step 1: Write the proportion equation
3,995,021.09 : 5,513,187.30 = 2,252,774.18 : x - Step 2: Convert to fraction form
3,995,021.09/5,513,187.30 = 2,252,774.18/x - Step 3: Cross multiply
3,995,021.09x = 5,513,187.30 × 2,252,774.18 - Step 4: Simplify right side
3,995,021.09x = 12,419,965,998,943.91 - Step 5: Solve for x
x = 12,419,965,998,943.91/3,995,021.09 - Step 6: Final answer
x = 3,108,861.18
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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.