Finding the Fourth Proportional to 1,705,481.64, 2,556,872.88 and 640,405.08
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Solution
The fourth proportional to 1,705,481.64, 2,556,872.88 and 640,405.08 is: 960,100.86
Step by Step Solution
- Step 1: Write the proportion equation
1,705,481.64 : 2,556,872.88 = 640,405.08 : x - Step 2: Convert to fraction form
1,705,481.64/2,556,872.88 = 640,405.08/x - Step 3: Cross multiply
1,705,481.64x = 2,556,872.88 × 640,405.08 - Step 4: Simplify right side
1,705,481.64x = 1,637,434,381,266.23 - Step 5: Solve for x
x = 1,637,434,381,266.23/1,705,481.64 - Step 6: Final answer
x = 960,100.86
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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.