Finding the Fourth Proportional to 5,713,923.20, 7,885,310.80 and 3,135,843.84
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Solution
The fourth proportional to 5,713,923.20, 7,885,310.80 and 3,135,843.84 is: 4,327,517.61
Step by Step Solution
- Step 1: Write the proportion equation
5,713,923.20 : 7,885,310.80 = 3,135,843.84 : x - Step 2: Convert to fraction form
5,713,923.20/7,885,310.80 = 3,135,843.84/x - Step 3: Cross multiply
5,713,923.20x = 7,885,310.80 × 3,135,843.84 - Step 4: Simplify right side
5,713,923.20x = 24,727,103,298,665.47 - Step 5: Solve for x
x = 24,727,103,298,665.47/5,713,923.20 - Step 6: Final answer
x = 4,327,517.61
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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.