Finding the Fourth Proportional to 2,218,101.47, 3,060,956.58 and 1,251,546.29
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Solution
The fourth proportional to 2,218,101.47, 3,060,956.58 and 1,251,546.29 is: 1,727,120.65
Step by Step Solution
- Step 1: Write the proportion equation
2,218,101.47 : 3,060,956.58 = 1,251,546.29 : x - Step 2: Convert to fraction form
2,218,101.47/3,060,956.58 = 1,251,546.29/x - Step 3: Cross multiply
2,218,101.47x = 3,060,956.58 × 1,251,546.29 - Step 4: Simplify right side
2,218,101.47x = 3,830,928,851,550.09 - Step 5: Solve for x
x = 3,830,928,851,550.09/2,218,101.47 - Step 6: Final answer
x = 1,727,120.65
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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.