Finding the Fourth Proportional to 2,516,738.24, 3,775,600.79 and 1,000,138.49
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Solution
The fourth proportional to 2,516,738.24, 3,775,600.79 and 1,000,138.49 is: 1,500,403.81
Step by Step Solution
- Step 1: Write the proportion equation
2,516,738.24 : 3,775,600.79 = 1,000,138.49 : x - Step 2: Convert to fraction form
2,516,738.24/3,775,600.79 = 1,000,138.49/x - Step 3: Cross multiply
2,516,738.24x = 3,775,600.79 × 1,000,138.49 - Step 4: Simplify right side
2,516,738.24x = 3,776,123,649,074.71 - Step 5: Solve for x
x = 3,776,123,649,074.71/2,516,738.24 - Step 6: Final answer
x = 1,500,403.81
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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.