Finding the Fourth Proportional to 2,392,992.80, 3,302,340.39 and 1,305,287.76
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Solution
The fourth proportional to 2,392,992.80, 3,302,340.39 and 1,305,287.76 is: 1,801,302.74
Step by Step Solution
- Step 1: Write the proportion equation
2,392,992.80 : 3,302,340.39 = 1,305,287.76 : x - Step 2: Convert to fraction form
2,392,992.80/3,302,340.39 = 1,305,287.76/x - Step 3: Cross multiply
2,392,992.80x = 3,302,340.39 × 1,305,287.76 - Step 4: Simplify right side
2,392,992.80x = 4,310,504,490,420.63 - Step 5: Solve for x
x = 4,310,504,490,420.63/2,392,992.80 - Step 6: Final answer
x = 1,801,302.74
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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.