Finding the Fourth Proportional to 1,496,102.20, 2,245,562.70 and 786,639.40
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Solution
The fourth proportional to 1,496,102.20, 2,245,562.70 and 786,639.40 is: 1,180,700.15
Step by Step Solution
- Step 1: Write the proportion equation
1,496,102.20 : 2,245,562.70 = 786,639.40 : x - Step 2: Convert to fraction form
1,496,102.20/2,245,562.70 = 786,639.40/x - Step 3: Cross multiply
1,496,102.20x = 2,245,562.70 × 786,639.40 - Step 4: Simplify right side
1,496,102.20x = 1,766,448,094,990.38 - Step 5: Solve for x
x = 1,766,448,094,990.38/1,496,102.20 - Step 6: Final answer
x = 1,180,700.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.