Finding the Fourth Proportional to 5,204,795.40, 7,182,616.68 and 2,912,956.09
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Solution
The fourth proportional to 5,204,795.40, 7,182,616.68 and 2,912,956.09 is: 4,019,878.86
Step by Step Solution
- Step 1: Write the proportion equation
5,204,795.40 : 7,182,616.68 = 2,912,956.09 : x - Step 2: Convert to fraction form
5,204,795.40/7,182,616.68 = 2,912,956.09/x - Step 3: Cross multiply
5,204,795.40x = 7,182,616.68 × 2,912,956.09 - Step 4: Simplify right side
5,204,795.40x = 20,922,646,982,185.04 - Step 5: Solve for x
x = 20,922,646,982,185.04/5,204,795.40 - Step 6: Final answer
x = 4,019,878.86
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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.