Finding the Fourth Proportional to 2,740,878.66, 3,782,366.74 and 1,517,157.93
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Solution
The fourth proportional to 2,740,878.66, 3,782,366.74 and 1,517,157.93 is: 2,093,652.59
Step by Step Solution
- Step 1: Write the proportion equation
2,740,878.66 : 3,782,366.74 = 1,517,157.93 : x - Step 2: Convert to fraction form
2,740,878.66/3,782,366.74 = 1,517,157.93/x - Step 3: Cross multiply
2,740,878.66x = 3,782,366.74 × 1,517,157.93 - Step 4: Simplify right side
2,740,878.66x = 5,738,447,693,759.25 - Step 5: Solve for x
x = 5,738,447,693,759.25/2,740,878.66 - Step 6: Final answer
x = 2,093,652.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.