Finding the Fourth Proportional to 5,755,715.98, 7,942,913.42 and 3,177,417.94
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Solution
The fourth proportional to 5,755,715.98, 7,942,913.42 and 3,177,417.94 is: 4,384,850.76
Step by Step Solution
- Step 1: Write the proportion equation
5,755,715.98 : 7,942,913.42 = 3,177,417.94 : x - Step 2: Convert to fraction form
5,755,715.98/7,942,913.42 = 3,177,417.94/x - Step 3: Cross multiply
5,755,715.98x = 7,942,913.42 × 3,177,417.94 - Step 4: Simplify right side
5,755,715.98x = 25,237,955,596,574.75 - Step 5: Solve for x
x = 25,237,955,596,574.75/5,755,715.98 - Step 6: Final answer
x = 4,384,850.76
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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.