Finding the Fourth Proportional to 2,211,291.97, 3,316,956.41 and 613,979.62
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Solution
The fourth proportional to 2,211,291.97, 3,316,956.41 and 613,979.62 is: 920,974.55
Step by Step Solution
- Step 1: Write the proportion equation
2,211,291.97 : 3,316,956.41 = 613,979.62 : x - Step 2: Convert to fraction form
2,211,291.97/3,316,956.41 = 613,979.62/x - Step 3: Cross multiply
2,211,291.97x = 3,316,956.41 × 613,979.62 - Step 4: Simplify right side
2,211,291.97x = 2,036,543,629,410.92 - Step 5: Solve for x
x = 2,036,543,629,410.92/2,211,291.97 - Step 6: Final answer
x = 920,974.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.