Finding the Fourth Proportional to 2,954,341.20, 4,428,012.60 and 2,205,512.40
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Solution
The fourth proportional to 2,954,341.20, 4,428,012.60 and 2,205,512.40 is: 3,305,656.33
Step by Step Solution
- Step 1: Write the proportion equation
2,954,341.20 : 4,428,012.60 = 2,205,512.40 : x - Step 2: Convert to fraction form
2,954,341.20/4,428,012.60 = 2,205,512.40/x - Step 3: Cross multiply
2,954,341.20x = 4,428,012.60 × 2,205,512.40 - Step 4: Simplify right side
2,954,341.20x = 9,766,036,696,656.24 - Step 5: Solve for x
x = 9,766,036,696,656.24/2,954,341.20 - Step 6: Final answer
x = 3,305,656.33
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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.