Finding the Fourth Proportional to 1,813,608.68, 2,720,745.14 and 748,069.47
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Solution
The fourth proportional to 1,813,608.68, 2,720,745.14 and 748,069.47 is: 1,122,241.20
Step by Step Solution
- Step 1: Write the proportion equation
1,813,608.68 : 2,720,745.14 = 748,069.47 : x - Step 2: Convert to fraction form
1,813,608.68/2,720,745.14 = 748,069.47/x - Step 3: Cross multiply
1,813,608.68x = 2,720,745.14 × 748,069.47 - Step 4: Simplify right side
1,813,608.68x = 2,035,306,371,144.53 - Step 5: Solve for x
x = 2,035,306,371,144.53/1,813,608.68 - Step 6: Final answer
x = 1,122,241.20
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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.