Finding the Fourth Proportional to 5,134,935.68, 7,086,432.64 and 2,843,096.40
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Solution
The fourth proportional to 5,134,935.68, 7,086,432.64 and 2,843,096.40 is: 3,923,595.62
Step by Step Solution
- Step 1: Write the proportion equation
5,134,935.68 : 7,086,432.64 = 2,843,096.40 : x - Step 2: Convert to fraction form
5,134,935.68/7,086,432.64 = 2,843,096.40/x - Step 3: Cross multiply
5,134,935.68x = 7,086,432.64 × 2,843,096.40 - Step 4: Simplify right side
5,134,935.68x = 20,147,411,127,626.50 - Step 5: Solve for x
x = 20,147,411,127,626.50/5,134,935.68 - Step 6: Final answer
x = 3,923,595.62
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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.