Finding the Fourth Proportional to 2,235,939.86, 3,085,875.84 and 1,269,383.06
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Solution
The fourth proportional to 2,235,939.86, 3,085,875.84 and 1,269,383.06 is: 1,751,906.92
Step by Step Solution
- Step 1: Write the proportion equation
2,235,939.86 : 3,085,875.84 = 1,269,383.06 : x - Step 2: Convert to fraction form
2,235,939.86/3,085,875.84 = 1,269,383.06/x - Step 3: Cross multiply
2,235,939.86x = 3,085,875.84 × 1,269,383.06 - Step 4: Simplify right side
2,235,939.86x = 3,917,158,516,559.27 - Step 5: Solve for x
x = 3,917,158,516,559.27/2,235,939.86 - Step 6: Final answer
x = 1,751,906.92
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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.