Finding the Fourth Proportional to 1,914,729.26, 2,642,430.29 and 1,098,926.42
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Solution
The fourth proportional to 1,914,729.26, 2,642,430.29 and 1,098,926.42 is: 1,516,578.09
Step by Step Solution
- Step 1: Write the proportion equation
1,914,729.26 : 2,642,430.29 = 1,098,926.42 : x - Step 2: Convert to fraction form
1,914,729.26/2,642,430.29 = 1,098,926.42/x - Step 3: Cross multiply
1,914,729.26x = 2,642,430.29 × 1,098,926.42 - Step 4: Simplify right side
1,914,729.26x = 2,903,836,439,982.48 - Step 5: Solve for x
x = 2,903,836,439,982.48/1,914,729.26 - Step 6: Final answer
x = 1,516,578.09
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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.