Finding the Fourth Proportional to 2,154,213.79, 3,231,310.97 and 556,641.07
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Solution
The fourth proportional to 2,154,213.79, 3,231,310.97 and 556,641.07 is: 834,959.09
Step by Step Solution
- Step 1: Write the proportion equation
2,154,213.79 : 3,231,310.97 = 556,641.07 : x - Step 2: Convert to fraction form
2,154,213.79/3,231,310.97 = 556,641.07/x - Step 3: Cross multiply
2,154,213.79x = 3,231,310.97 × 556,641.07 - Step 4: Simplify right side
2,154,213.79x = 1,798,680,393,060.33 - Step 5: Solve for x
x = 1,798,680,393,060.33/2,154,213.79 - Step 6: Final answer
x = 834,959.09
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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.