Finding the Fourth Proportional to 3,139,577.28, 4,324,363.20 and 2,413,035.36
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Solution
The fourth proportional to 3,139,577.28, 4,324,363.20 and 2,413,035.36 is: 3,323,645.31
Step by Step Solution
- Step 1: Write the proportion equation
3,139,577.28 : 4,324,363.20 = 2,413,035.36 : x - Step 2: Convert to fraction form
3,139,577.28/4,324,363.20 = 2,413,035.36/x - Step 3: Cross multiply
3,139,577.28x = 4,324,363.20 × 2,413,035.36 - Step 4: Simplify right side
3,139,577.28x = 10,434,841,311,082.75 - Step 5: Solve for x
x = 10,434,841,311,082.75/3,139,577.28 - Step 6: Final answer
x = 3,323,645.31
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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.