Finding the Fourth Proportional to 1,512,795.22, 2,087,596.35 and 824,452.22
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Solution
The fourth proportional to 1,512,795.22, 2,087,596.35 and 824,452.22 is: 1,137,710.80
Step by Step Solution
- Step 1: Write the proportion equation
1,512,795.22 : 2,087,596.35 = 824,452.22 : x - Step 2: Convert to fraction form
1,512,795.22/2,087,596.35 = 824,452.22/x - Step 3: Cross multiply
1,512,795.22x = 2,087,596.35 × 824,452.22 - Step 4: Simplify right side
1,512,795.22x = 1,721,123,450,440.39 - Step 5: Solve for x
x = 1,721,123,450,440.39/1,512,795.22 - Step 6: Final answer
x = 1,137,710.80
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1.5x scale
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.