Finding the Fourth Proportional to 3,397,716.68, 4,688,846.34 and 1,869,823.85
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Solution
The fourth proportional to 3,397,716.68, 4,688,846.34 and 1,869,823.85 is: 2,580,355.44
Step by Step Solution
- Step 1: Write the proportion equation
3,397,716.68 : 4,688,846.34 = 1,869,823.85 : x - Step 2: Convert to fraction form
3,397,716.68/4,688,846.34 = 1,869,823.85/x - Step 3: Cross multiply
3,397,716.68x = 4,688,846.34 × 1,869,823.85 - Step 4: Simplify right side
3,397,716.68x = 8,767,316,715,517.21 - Step 5: Solve for x
x = 8,767,316,715,517.21/3,397,716.68 - Step 6: Final answer
x = 2,580,355.44
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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.