Finding the Fourth Proportional to 2,057,409.20, 3,086,113.80 and 727,713.20
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Solution
The fourth proportional to 2,057,409.20, 3,086,113.80 and 727,713.20 is: 1,091,569.80
Step by Step Solution
- Step 1: Write the proportion equation
2,057,409.20 : 3,086,113.80 = 727,713.20 : x - Step 2: Convert to fraction form
2,057,409.20/3,086,113.80 = 727,713.20/x - Step 3: Cross multiply
2,057,409.20x = 3,086,113.80 × 727,713.20 - Step 4: Simplify right side
2,057,409.20x = 2,245,805,748,962.16 - Step 5: Solve for x
x = 2,245,805,748,962.16/2,057,409.20 - Step 6: Final answer
x = 1,091,569.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.