Finding the Fourth Proportional to 1,528,418.99, 2,292,905.21 and 629,370.43
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Solution
The fourth proportional to 1,528,418.99, 2,292,905.21 and 629,370.43 is: 944,169.59
Step by Step Solution
- Step 1: Write the proportion equation
1,528,418.99 : 2,292,905.21 = 629,370.43 : x - Step 2: Convert to fraction form
1,528,418.99/2,292,905.21 = 629,370.43/x - Step 3: Cross multiply
1,528,418.99x = 2,292,905.21 × 629,370.43 - Step 4: Simplify right side
1,528,418.99x = 1,443,086,729,087.83 - Step 5: Solve for x
x = 1,443,086,729,087.83/1,528,418.99 - Step 6: Final answer
x = 944,169.59
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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.