Finding the Fourth Proportional to 3,397,510.05, 4,688,560.71 and 1,869,617.18
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Solution
The fourth proportional to 3,397,510.05, 4,688,560.71 and 1,869,617.18 is: 2,580,069.96
Step by Step Solution
- Step 1: Write the proportion equation
3,397,510.05 : 4,688,560.71 = 1,869,617.18 : x - Step 2: Convert to fraction form
3,397,510.05/4,688,560.71 = 1,869,617.18/x - Step 3: Cross multiply
3,397,510.05x = 4,688,560.71 × 1,869,617.18 - Step 4: Simplify right side
3,397,510.05x = 8,765,813,629,446.19 - Step 5: Solve for x
x = 8,765,813,629,446.19/3,397,510.05 - Step 6: Final answer
x = 2,580,069.96
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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.