Finding the Fourth Proportional to 5,715,507.42, 7,893,946.37 and 3,764,108.68
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Solution
The fourth proportional to 5,715,507.42, 7,893,946.37 and 3,764,108.68 is: 5,198,781.12
Step by Step Solution
- Step 1: Write the proportion equation
5,715,507.42 : 7,893,946.37 = 3,764,108.68 : x - Step 2: Convert to fraction form
5,715,507.42/7,893,946.37 = 3,764,108.68/x - Step 3: Cross multiply
5,715,507.42x = 7,893,946.37 × 3,764,108.68 - Step 4: Simplify right side
5,715,507.42x = 29,713,672,050,771.49 - Step 5: Solve for x
x = 29,713,672,050,771.49/5,715,507.42 - Step 6: Final answer
x = 5,198,781.12
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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.