Finding the Fourth Proportional to 2,269,252.80, 3,131,528.32 and 1,236,769.92
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Solution
The fourth proportional to 2,269,252.80, 3,131,528.32 and 1,236,769.92 is: 1,706,720.39
Step by Step Solution
- Step 1: Write the proportion equation
2,269,252.80 : 3,131,528.32 = 1,236,769.92 : x - Step 2: Convert to fraction form
2,269,252.80/3,131,528.32 = 1,236,769.92/x - Step 3: Cross multiply
2,269,252.80x = 3,131,528.32 × 1,236,769.92 - Step 4: Simplify right side
2,269,252.80x = 3,872,980,029,804.13 - Step 5: Solve for x
x = 3,872,980,029,804.13/2,269,252.80 - Step 6: Final answer
x = 1,706,720.39
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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.