Finding the Fourth Proportional to 2,878,084.97, 3,971,736.66 and 1,571,336.96
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Solution
The fourth proportional to 2,878,084.97, 3,971,736.66 and 1,571,336.96 is: 2,168,433.76
Step by Step Solution
- Step 1: Write the proportion equation
2,878,084.97 : 3,971,736.66 = 1,571,336.96 : x - Step 2: Convert to fraction form
2,878,084.97/3,971,736.66 = 1,571,336.96/x - Step 3: Cross multiply
2,878,084.97x = 3,971,736.66 × 1,571,336.96 - Step 4: Simplify right side
2,878,084.97x = 6,240,936,609,244.95 - Step 5: Solve for x
x = 6,240,936,609,244.95/2,878,084.97 - Step 6: Final answer
x = 2,168,433.76
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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.