Finding the Fourth Proportional to 5,755,628.68, 7,942,748.97 and 3,142,165.07
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Solution
The fourth proportional to 5,755,628.68, 7,942,748.97 and 3,142,165.07 is: 4,336,177.64
Step by Step Solution
- Step 1: Write the proportion equation
5,755,628.68 : 7,942,748.97 = 3,142,165.07 : x - Step 2: Convert to fraction form
5,755,628.68/7,942,748.97 = 3,142,165.07/x - Step 3: Cross multiply
5,755,628.68x = 7,942,748.97 × 3,142,165.07 - Step 4: Simplify right side
5,755,628.68x = 24,957,428,372,917.12 - Step 5: Solve for x
x = 24,957,428,372,917.12/5,755,628.68 - Step 6: Final answer
x = 4,336,177.64
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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.