Finding the Fourth Proportional to 2,129,153.09, 3,193,729.74 and 1,700,682.82
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Solution
The fourth proportional to 2,129,153.09, 3,193,729.74 and 1,700,682.82 is: 2,551,024.32
Step by Step Solution
- Step 1: Write the proportion equation
2,129,153.09 : 3,193,729.74 = 1,700,682.82 : x - Step 2: Convert to fraction form
2,129,153.09/3,193,729.74 = 1,700,682.82/x - Step 3: Cross multiply
2,129,153.09x = 3,193,729.74 × 1,700,682.82 - Step 4: Simplify right side
2,129,153.09x = 5,431,521,292,556.74 - Step 5: Solve for x
x = 5,431,521,292,556.74/2,129,153.09 - Step 6: Final answer
x = 2,551,024.32
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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.