Finding the Fourth Proportional to 5,713,919.20, 7,885,305.28 and 3,135,839.84
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Solution
The fourth proportional to 5,713,919.20, 7,885,305.28 and 3,135,839.84 is: 4,327,512.09
Step by Step Solution
- Step 1: Write the proportion equation
5,713,919.20 : 7,885,305.28 = 3,135,839.84 : x - Step 2: Convert to fraction form
5,713,919.20/7,885,305.28 = 3,135,839.84/x - Step 3: Cross multiply
5,713,919.20x = 7,885,305.28 × 3,135,839.84 - Step 4: Simplify right side
5,713,919.20x = 24,727,054,447,586.36 - Step 5: Solve for x
x = 24,727,054,447,586.36/5,713,919.20 - Step 6: Final answer
x = 4,327,512.09
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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.