Finding the Fourth Proportional to 3,397,682.97, 4,688,803.18 and 1,869,790.09
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Solution
The fourth proportional to 3,397,682.97, 4,688,803.18 and 1,869,790.09 is: 2,580,310.70
Step by Step Solution
- Step 1: Write the proportion equation
3,397,682.97 : 4,688,803.18 = 1,869,790.09 : x - Step 2: Convert to fraction form
3,397,682.97/4,688,803.18 = 1,869,790.09/x - Step 3: Cross multiply
3,397,682.97x = 4,688,803.18 × 1,869,790.09 - Step 4: Simplify right side
3,397,682.97x = 8,767,077,719,924.49 - Step 5: Solve for x
x = 8,767,077,719,924.49/3,397,682.97 - Step 6: Final answer
x = 2,580,310.70
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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.