Finding the Fourth Proportional to 1,519,558.68, 2,096,921.61 and 831,220.68
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Solution
The fourth proportional to 1,519,558.68, 2,096,921.61 and 831,220.68 is: 1,147,046.59
Step by Step Solution
- Step 1: Write the proportion equation
1,519,558.68 : 2,096,921.61 = 831,220.68 : x - Step 2: Convert to fraction form
1,519,558.68/2,096,921.61 = 831,220.68/x - Step 3: Cross multiply
1,519,558.68x = 2,096,921.61 × 831,220.68 - Step 4: Simplify right side
1,519,558.68x = 1,743,004,606,570.90 - Step 5: Solve for x
x = 1,743,004,606,570.90/1,519,558.68 - Step 6: Final answer
x = 1,147,046.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.