Finding the Fourth Proportional to 3,550,546.40, 5,323,195.20 and 1,954,911.20
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Solution
The fourth proportional to 3,550,546.40, 5,323,195.20 and 1,954,911.20 is: 2,930,921.82
Step by Step Solution
- Step 1: Write the proportion equation
3,550,546.40 : 5,323,195.20 = 1,954,911.20 : x - Step 2: Convert to fraction form
3,550,546.40/5,323,195.20 = 1,954,911.20/x - Step 3: Cross multiply
3,550,546.40x = 5,323,195.20 × 1,954,911.20 - Step 4: Simplify right side
3,550,546.40x = 10,406,373,916,266.24 - Step 5: Solve for x
x = 10,406,373,916,266.24/3,550,546.40 - Step 6: Final answer
x = 2,930,921.82
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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.