Finding the Fourth Proportional to 3,397,609.67, 4,688,702.10 and 1,869,716.79
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Solution
The fourth proportional to 3,397,609.67, 4,688,702.10 and 1,869,716.79 is: 2,580,209.59
Step by Step Solution
- Step 1: Write the proportion equation
3,397,609.67 : 4,688,702.10 = 1,869,716.79 : x - Step 2: Convert to fraction form
3,397,609.67/4,688,702.10 = 1,869,716.79/x - Step 3: Cross multiply
3,397,609.67x = 4,688,702.10 × 1,869,716.79 - Step 4: Simplify right side
3,397,609.67x = 8,766,545,039,678.26 - Step 5: Solve for x
x = 8,766,545,039,678.26/3,397,609.67 - Step 6: Final answer
x = 2,580,209.59
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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.