Finding the Fourth Proportional to 4,088,704.91, 5,642,449.79 and 2,253,228.93
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Solution
The fourth proportional to 4,088,704.91, 5,642,449.79 and 2,253,228.93 is: 3,109,476.32
Step by Step Solution
- Step 1: Write the proportion equation
4,088,704.91 : 5,642,449.79 = 2,253,228.93 : x - Step 2: Convert to fraction form
4,088,704.91/5,642,449.79 = 2,253,228.93/x - Step 3: Cross multiply
4,088,704.91x = 5,642,449.79 × 2,253,228.93 - Step 4: Simplify right side
4,088,704.91x = 12,713,731,091,634.28 - Step 5: Solve for x
x = 12,713,731,091,634.28/4,088,704.91 - Step 6: Final answer
x = 3,109,476.32
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1.5x scale
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.