Finding the Fourth Proportional to 3,168,558.03, 4,372,611.26 and 1,718,253.09
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Solution
The fourth proportional to 3,168,558.03, 4,372,611.26 and 1,718,253.09 is: 2,371,189.90
Step by Step Solution
- Step 1: Write the proportion equation
3,168,558.03 : 4,372,611.26 = 1,718,253.09 : x - Step 2: Convert to fraction form
3,168,558.03/4,372,611.26 = 1,718,253.09/x - Step 3: Cross multiply
3,168,558.03x = 4,372,611.26 × 1,718,253.09 - Step 4: Simplify right side
3,168,558.03x = 7,513,252,800,272.53 - Step 5: Solve for x
x = 7,513,252,800,272.53/3,168,558.03 - Step 6: Final answer
x = 2,371,189.90
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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.