Finding the Fourth Proportional to 1,585,229.99, 2,376,445.30 and 1,212,915.11
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Solution
The fourth proportional to 1,585,229.99, 2,376,445.30 and 1,212,915.11 is: 1,818,301.71
Step by Step Solution
- Step 1: Write the proportion equation
1,585,229.99 : 2,376,445.30 = 1,212,915.11 : x - Step 2: Convert to fraction form
1,585,229.99/2,376,445.30 = 1,212,915.11/x - Step 3: Cross multiply
1,585,229.99x = 2,376,445.30 × 1,212,915.11 - Step 4: Simplify right side
1,585,229.99x = 2,882,426,397,543.97 - Step 5: Solve for x
x = 2,882,426,397,543.97/1,585,229.99 - Step 6: Final answer
x = 1,818,301.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.