Finding the Fourth Proportional to 5,399,223.12, 7,451,126.82 and 2,951,997.12
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Solution
The fourth proportional to 5,399,223.12, 7,451,126.82 and 2,951,997.12 is: 4,073,864.78
Step by Step Solution
- Step 1: Write the proportion equation
5,399,223.12 : 7,451,126.82 = 2,951,997.12 : x - Step 2: Convert to fraction form
5,399,223.12/7,451,126.82 = 2,951,997.12/x - Step 3: Cross multiply
5,399,223.12x = 7,451,126.82 × 2,951,997.12 - Step 4: Simplify right side
5,399,223.12x = 21,995,704,913,394.76 - Step 5: Solve for x
x = 21,995,704,913,394.76/5,399,223.12 - Step 6: Final answer
x = 4,073,864.78
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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.