Finding the Fourth Proportional to 1,432,868.10, 2,149,302.15 and 1,377,755.70
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Solution
The fourth proportional to 1,432,868.10, 2,149,302.15 and 1,377,755.70 is: 2,066,633.55
Step by Step Solution
- Step 1: Write the proportion equation
1,432,868.10 : 2,149,302.15 = 1,377,755.70 : x - Step 2: Convert to fraction form
1,432,868.10/2,149,302.15 = 1,377,755.70/x - Step 3: Cross multiply
1,432,868.10x = 2,149,302.15 × 1,377,755.70 - Step 4: Simplify right side
1,432,868.10x = 2,961,213,288,184.76 - Step 5: Solve for x
x = 2,961,213,288,184.76/1,432,868.10 - Step 6: Final answer
x = 2,066,633.55
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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.