Finding the Fourth Proportional to 3,895,847.30, 5,376,166.05 and 2,176,981.94
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Solution
The fourth proportional to 3,895,847.30, 5,376,166.05 and 2,176,981.94 is: 3,004,177.40
Step by Step Solution
- Step 1: Write the proportion equation
3,895,847.30 : 5,376,166.05 = 2,176,981.94 : x - Step 2: Convert to fraction form
3,895,847.30/5,376,166.05 = 2,176,981.94/x - Step 3: Cross multiply
3,895,847.30x = 5,376,166.05 × 2,176,981.94 - Step 4: Simplify right side
3,895,847.30x = 11,703,816,397,291.14 - Step 5: Solve for x
x = 11,703,816,397,291.14/3,895,847.30 - Step 6: Final answer
x = 3,004,177.40
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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.