Finding the Fourth Proportional to 3,397,685.97, 4,688,807.32 and 1,869,793.09
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Solution
The fourth proportional to 3,397,685.97, 4,688,807.32 and 1,869,793.09 is: 2,580,314.84
Step by Step Solution
- Step 1: Write the proportion equation
3,397,685.97 : 4,688,807.32 = 1,869,793.09 : x - Step 2: Convert to fraction form
3,397,685.97/4,688,807.32 = 1,869,793.09/x - Step 3: Cross multiply
3,397,685.97x = 4,688,807.32 × 1,869,793.09 - Step 4: Simplify right side
3,397,685.97x = 8,767,099,527,277.42 - Step 5: Solve for x
x = 8,767,099,527,277.42/3,397,685.97 - Step 6: Final answer
x = 2,580,314.84
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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.