Finding the Fourth Proportional to 2,392,981.80, 3,302,325.21 and 1,305,276.75
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Solution
The fourth proportional to 2,392,981.80, 3,302,325.21 and 1,305,276.75 is: 1,801,287.55
Step by Step Solution
- Step 1: Write the proportion equation
2,392,981.80 : 3,302,325.21 = 1,305,276.75 : x - Step 2: Convert to fraction form
2,392,981.80/3,302,325.21 = 1,305,276.75/x - Step 3: Cross multiply
2,392,981.80x = 3,302,325.21 × 1,305,276.75 - Step 4: Simplify right side
2,392,981.80x = 4,310,448,317,551.87 - Step 5: Solve for x
x = 4,310,448,317,551.87/2,392,981.80 - Step 6: Final answer
x = 1,801,287.55
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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.