Finding the Fourth Proportional to 2,227,649.09, 3,073,628.84 and 1,260,779.36
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Solution
The fourth proportional to 2,227,649.09, 3,073,628.84 and 1,260,779.36 is: 1,739,577.30
Step by Step Solution
- Step 1: Write the proportion equation
2,227,649.09 : 3,073,628.84 = 1,260,779.36 : x - Step 2: Convert to fraction form
2,227,649.09/3,073,628.84 = 1,260,779.36/x - Step 3: Cross multiply
2,227,649.09x = 3,073,628.84 × 1,260,779.36 - Step 4: Simplify right side
2,227,649.09x = 3,875,167,789,556.55 - Step 5: Solve for x
x = 3,875,167,789,556.55/2,227,649.09 - Step 6: Final answer
x = 1,739,577.30
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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.