Finding the Fourth Proportional to 2,576,612.69, 3,556,163.08 and 1,489,514.53
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Solution
The fourth proportional to 2,576,612.69, 3,556,163.08 and 1,489,514.53 is: 2,055,783.00
Step by Step Solution
- Step 1: Write the proportion equation
2,576,612.69 : 3,556,163.08 = 1,489,514.53 : x - Step 2: Convert to fraction form
2,576,612.69/3,556,163.08 = 1,489,514.53/x - Step 3: Cross multiply
2,576,612.69x = 3,556,163.08 × 1,489,514.53 - Step 4: Simplify right side
2,576,612.69x = 5,296,956,560,928.74 - Step 5: Solve for x
x = 5,296,956,560,928.74/2,576,612.69 - Step 6: Final answer
x = 2,055,783.00
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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.