Finding the Fourth Proportional to 1,994,171.10, 2,990,911.05 and 731,348.70
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Solution
The fourth proportional to 1,994,171.10, 2,990,911.05 and 731,348.70 is: 1,096,896.30
Step by Step Solution
- Step 1: Write the proportion equation
1,994,171.10 : 2,990,911.05 = 731,348.70 : x - Step 2: Convert to fraction form
1,994,171.10/2,990,911.05 = 731,348.70/x - Step 3: Cross multiply
1,994,171.10x = 2,990,911.05 × 731,348.70 - Step 4: Simplify right side
1,994,171.10x = 2,187,398,908,233.13 - Step 5: Solve for x
x = 2,187,398,908,233.13/1,994,171.10 - Step 6: Final answer
x = 1,096,896.30
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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.