Finding the Fourth Proportional to 2,921,610.68, 4,031,814.27 and 1,632,452.09
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Solution
The fourth proportional to 2,921,610.68, 4,031,814.27 and 1,632,452.09 is: 2,252,779.16
Step by Step Solution
- Step 1: Write the proportion equation
2,921,610.68 : 4,031,814.27 = 1,632,452.09 : x - Step 2: Convert to fraction form
2,921,610.68/4,031,814.27 = 1,632,452.09/x - Step 3: Cross multiply
2,921,610.68x = 4,031,814.27 × 1,632,452.09 - Step 4: Simplify right side
2,921,610.68x = 6,581,743,643,569.62 - Step 5: Solve for x
x = 6,581,743,643,569.62/2,921,610.68 - Step 6: Final answer
x = 2,252,779.16
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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.