Finding the Fourth Proportional to 5,270,922.84, 7,258,787.55 and 4,942,475.09
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Solution
The fourth proportional to 5,270,922.84, 7,258,787.55 and 4,942,475.09 is: 6,806,469.70
Step by Step Solution
- Step 1: Write the proportion equation
5,270,922.84 : 7,258,787.55 = 4,942,475.09 : x - Step 2: Convert to fraction form
5,270,922.84/7,258,787.55 = 4,942,475.09/x - Step 3: Cross multiply
5,270,922.84x = 7,258,787.55 × 4,942,475.09 - Step 4: Simplify right side
5,270,922.84x = 35,876,376,613,183.19 - Step 5: Solve for x
x = 35,876,376,613,183.19/5,270,922.84 - Step 6: Final answer
x = 6,806,469.70
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1.5x scale
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.