Finding the Fourth Proportional to 3,509,080.01, 5,264,122.11 and 1,080,438.75
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Solution
The fourth proportional to 3,509,080.01, 5,264,122.11 and 1,080,438.75 is: 1,620,812.72
Step by Step Solution
- Step 1: Write the proportion equation
3,509,080.01 : 5,264,122.11 = 1,080,438.75 : x - Step 2: Convert to fraction form
3,509,080.01/5,264,122.11 = 1,080,438.75/x - Step 3: Cross multiply
3,509,080.01x = 5,264,122.11 × 1,080,438.75 - Step 4: Simplify right side
3,509,080.01x = 5,687,561,514,401.59 - Step 5: Solve for x
x = 5,687,561,514,401.59/3,509,080.01 - Step 6: Final answer
x = 1,620,812.72
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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.