Finding the Fourth Proportional to 2,211,215.35, 3,316,841.59 and 613,902.99
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Solution
The fourth proportional to 2,211,215.35, 3,316,841.59 and 613,902.99 is: 920,859.64
Step by Step Solution
- Step 1: Write the proportion equation
2,211,215.35 : 3,316,841.59 = 613,902.99 : x - Step 2: Convert to fraction form
2,211,215.35/3,316,841.59 = 613,902.99/x - Step 3: Cross multiply
2,211,215.35x = 3,316,841.59 × 613,902.99 - Step 4: Simplify right side
2,211,215.35x = 2,036,218,982,662.89 - Step 5: Solve for x
x = 2,036,218,982,662.89/2,211,215.35 - Step 6: Final answer
x = 920,859.64
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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.