Finding the Fourth Proportional to 3,822,382.46, 5,274,888.55 and 2,103,502.99
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Solution
The fourth proportional to 3,822,382.46, 5,274,888.55 and 2,103,502.99 is: 2,902,834.53
Step by Step Solution
- Step 1: Write the proportion equation
3,822,382.46 : 5,274,888.55 = 2,103,502.99 : x - Step 2: Convert to fraction form
3,822,382.46/5,274,888.55 = 2,103,502.99/x - Step 3: Cross multiply
3,822,382.46x = 5,274,888.55 × 2,103,502.99 - Step 4: Simplify right side
3,822,382.46x = 11,095,743,799,949.81 - Step 5: Solve for x
x = 11,095,743,799,949.81/3,822,382.46 - Step 6: Final answer
x = 2,902,834.53
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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.