Finding the Fourth Proportional to 2,382,120.29, 3,287,346.81 and 1,294,391.84
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Solution
The fourth proportional to 2,382,120.29, 3,287,346.81 and 1,294,391.84 is: 1,786,272.05
Step by Step Solution
- Step 1: Write the proportion equation
2,382,120.29 : 3,287,346.81 = 1,294,391.84 : x - Step 2: Convert to fraction form
2,382,120.29/3,287,346.81 = 1,294,391.84/x - Step 3: Cross multiply
2,382,120.29x = 3,287,346.81 × 1,294,391.84 - Step 4: Simplify right side
2,382,120.29x = 4,255,114,886,114.03 - Step 5: Solve for x
x = 4,255,114,886,114.03/2,382,120.29 - Step 6: Final answer
x = 1,786,272.05
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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.