Finding the Fourth Proportional to 5,134,933.68, 7,086,429.90 and 2,843,094.36
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Solution
The fourth proportional to 5,134,933.68, 7,086,429.90 and 2,843,094.36 is: 3,923,592.81
Step by Step Solution
- Step 1: Write the proportion equation
5,134,933.68 : 7,086,429.90 = 2,843,094.36 : x - Step 2: Convert to fraction form
5,134,933.68/7,086,429.90 = 2,843,094.36/x - Step 3: Cross multiply
5,134,933.68x = 7,086,429.90 × 2,843,094.36 - Step 4: Simplify right side
5,134,933.68x = 20,147,388,881,225.36 - Step 5: Solve for x
x = 20,147,388,881,225.36/5,134,933.68 - Step 6: Final answer
x = 3,923,592.81
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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.