Finding the Fourth Proportional to 2,066,072.17, 2,851,517.99 and 1,721,361.43
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Solution
The fourth proportional to 2,066,072.17, 2,851,517.99 and 1,721,361.43 is: 2,375,760.71
Step by Step Solution
- Step 1: Write the proportion equation
2,066,072.17 : 2,851,517.99 = 1,721,361.43 : x - Step 2: Convert to fraction form
2,066,072.17/2,851,517.99 = 1,721,361.43/x - Step 3: Cross multiply
2,066,072.17x = 2,851,517.99 × 1,721,361.43 - Step 4: Simplify right side
2,066,072.17x = 4,908,493,084,937.13 - Step 5: Solve for x
x = 4,908,493,084,937.13/2,066,072.17 - Step 6: Final answer
x = 2,375,760.71
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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.