Finding the Fourth Proportional to 1,775,322.24, 2,662,879.36 and 513,121.92
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Solution
The fourth proportional to 1,775,322.24, 2,662,879.36 and 513,121.92 is: 769,652.82
Step by Step Solution
- Step 1: Write the proportion equation
1,775,322.24 : 2,662,879.36 = 513,121.92 : x - Step 2: Convert to fraction form
1,775,322.24/2,662,879.36 = 513,121.92/x - Step 3: Cross multiply
1,775,322.24x = 2,662,879.36 × 513,121.92 - Step 4: Simplify right side
1,775,322.24x = 1,366,381,769,931.57 - Step 5: Solve for x
x = 1,366,381,769,931.57/1,775,322.24 - Step 6: Final answer
x = 769,652.82
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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.