Finding the Fourth Proportional to 5,628,882.26, 7,771,670.65 and 3,565,728.70
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Solution
The fourth proportional to 5,628,882.26, 7,771,670.65 and 3,565,728.70 is: 4,923,121.11
Step by Step Solution
- Step 1: Write the proportion equation
5,628,882.26 : 7,771,670.65 = 3,565,728.70 : x - Step 2: Convert to fraction form
5,628,882.26/7,771,670.65 = 3,565,728.70/x - Step 3: Cross multiply
5,628,882.26x = 7,771,670.65 × 3,565,728.70 - Step 4: Simplify right side
5,628,882.26x = 27,711,669,068,680.64 - Step 5: Solve for x
x = 27,711,669,068,680.64/5,628,882.26 - Step 6: Final answer
x = 4,923,121.11
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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.