Finding the Fourth Proportional to 4,088,646.51, 5,642,369.49 and 2,253,170.65
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Solution
The fourth proportional to 4,088,646.51, 5,642,369.49 and 2,253,170.65 is: 3,109,396.05
Step by Step Solution
- Step 1: Write the proportion equation
4,088,646.51 : 5,642,369.49 = 2,253,170.65 : x - Step 2: Convert to fraction form
4,088,646.51/5,642,369.49 = 2,253,170.65/x - Step 3: Cross multiply
4,088,646.51x = 5,642,369.49 × 2,253,170.65 - Step 4: Simplify right side
4,088,646.51x = 12,713,221,325,666.94 - Step 5: Solve for x
x = 12,713,221,325,666.94/4,088,646.51 - Step 6: Final answer
x = 3,109,396.05
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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.