Finding the Fourth Proportional to 3,956,842.80, 5,458,708.80 and 2,324,513.52
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Solution
The fourth proportional to 3,956,842.80, 5,458,708.80 and 2,324,513.52 is: 3,206,809.84
Step by Step Solution
- Step 1: Write the proportion equation
3,956,842.80 : 5,458,708.80 = 2,324,513.52 : x - Step 2: Convert to fraction form
3,956,842.80/5,458,708.80 = 2,324,513.52/x - Step 3: Cross multiply
3,956,842.80x = 5,458,708.80 × 2,324,513.52 - Step 4: Simplify right side
3,956,842.80x = 12,688,842,407,342.98 - Step 5: Solve for x
x = 12,688,842,407,342.98/3,956,842.80 - Step 6: Final answer
x = 3,206,809.84
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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.