Finding the Fourth Proportional to 5,121,226.76, 7,067,367.06 and 2,829,440.12
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Solution
The fourth proportional to 5,121,226.76, 7,067,367.06 and 2,829,440.12 is: 3,904,668.32
Step by Step Solution
- Step 1: Write the proportion equation
5,121,226.76 : 7,067,367.06 = 2,829,440.12 : x - Step 2: Convert to fraction form
5,121,226.76/7,067,367.06 = 2,829,440.12/x - Step 3: Cross multiply
5,121,226.76x = 7,067,367.06 × 2,829,440.12 - Step 4: Simplify right side
5,121,226.76x = 19,996,691,902,330.45 - Step 5: Solve for x
x = 19,996,691,902,330.45/5,121,226.76 - Step 6: Final answer
x = 3,904,668.32
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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.