Finding the Fourth Proportional to 1,492,184.62, 2,059,217.40 and 813,121.12
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Solution
The fourth proportional to 1,492,184.62, 2,059,217.40 and 813,121.12 is: 1,122,108.58
Step by Step Solution
- Step 1: Write the proportion equation
1,492,184.62 : 2,059,217.40 = 813,121.12 : x - Step 2: Convert to fraction form
1,492,184.62/2,059,217.40 = 813,121.12/x - Step 3: Cross multiply
1,492,184.62x = 2,059,217.40 × 813,121.12 - Step 4: Simplify right side
1,492,184.62x = 1,674,393,158,611.49 - Step 5: Solve for x
x = 1,674,393,158,611.49/1,492,184.62 - Step 6: Final answer
x = 1,122,108.58
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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.