Finding the Fourth Proportional to 1,866,911.68, 2,796,270.74 and 1,543,396.96
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Solution
The fourth proportional to 1,866,911.68, 2,796,270.74 and 1,543,396.96 is: 2,311,708.59
Step by Step Solution
- Step 1: Write the proportion equation
1,866,911.68 : 2,796,270.74 = 1,543,396.96 : x - Step 2: Convert to fraction form
1,866,911.68/2,796,270.74 = 1,543,396.96/x - Step 3: Cross multiply
1,866,911.68x = 2,796,270.74 × 1,543,396.96 - Step 4: Simplify right side
1,866,911.68x = 4,315,755,759,452.95 - Step 5: Solve for x
x = 4,315,755,759,452.95/1,866,911.68 - Step 6: Final answer
x = 2,311,708.59
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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.