Finding the Fourth Proportional to 1,492,197.12, 2,059,234.65 and 813,133.62
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Solution
The fourth proportional to 1,492,197.12, 2,059,234.65 and 813,133.62 is: 1,122,125.83
Step by Step Solution
- Step 1: Write the proportion equation
1,492,197.12 : 2,059,234.65 = 813,133.62 : x - Step 2: Convert to fraction form
1,492,197.12/2,059,234.65 = 813,133.62/x - Step 3: Cross multiply
1,492,197.12x = 2,059,234.65 × 813,133.62 - Step 4: Simplify right side
1,492,197.12x = 1,674,432,925,383.93 - Step 5: Solve for x
x = 1,674,432,925,383.93/1,492,197.12 - Step 6: Final answer
x = 1,122,125.83
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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.