Finding the Fourth Proportional to 1,170,082.70, 1,755,124.05 and 1,091,350.70
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Solution
The fourth proportional to 1,170,082.70, 1,755,124.05 and 1,091,350.70 is: 1,637,026.05
Step by Step Solution
- Step 1: Write the proportion equation
1,170,082.70 : 1,755,124.05 = 1,091,350.70 : x - Step 2: Convert to fraction form
1,170,082.70/1,755,124.05 = 1,091,350.70/x - Step 3: Cross multiply
1,170,082.70x = 1,755,124.05 × 1,091,350.70 - Step 4: Simplify right side
1,170,082.70x = 1,915,455,860,554.34 - Step 5: Solve for x
x = 1,915,455,860,554.34/1,170,082.70 - Step 6: Final answer
x = 1,637,026.05
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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.