Finding the Fourth Proportional to 1,631,919.84, 2,446,129.68 and 789,312.48
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Solution
The fourth proportional to 1,631,919.84, 2,446,129.68 and 789,312.48 is: 1,183,122.26
Step by Step Solution
- Step 1: Write the proportion equation
1,631,919.84 : 2,446,129.68 = 789,312.48 : x - Step 2: Convert to fraction form
1,631,919.84/2,446,129.68 = 789,312.48/x - Step 3: Cross multiply
1,631,919.84x = 2,446,129.68 × 789,312.48 - Step 4: Simplify right side
1,631,919.84x = 1,930,760,684,122.41 - Step 5: Solve for x
x = 1,930,760,684,122.41/1,631,919.84 - Step 6: Final answer
x = 1,183,122.26
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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.