Finding the Fourth Proportional to 4,660,087.72, 6,427,608.26 and 3,110,568.12
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Solution
The fourth proportional to 4,660,087.72, 6,427,608.26 and 3,110,568.12 is: 4,290,372.74
Step by Step Solution
- Step 1: Write the proportion equation
4,660,087.72 : 6,427,608.26 = 3,110,568.12 : x - Step 2: Convert to fraction form
4,660,087.72/6,427,608.26 = 3,110,568.12/x - Step 3: Cross multiply
4,660,087.72x = 6,427,608.26 × 3,110,568.12 - Step 4: Simplify right side
4,660,087.72x = 19,993,513,341,404.67 - Step 5: Solve for x
x = 19,993,513,341,404.67/4,660,087.72 - Step 6: Final answer
x = 4,290,372.74
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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.