Finding the Fourth Proportional to 1,292,853.82, 1,938,607.46 and 482,571.99
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Solution
The fourth proportional to 1,292,853.82, 1,938,607.46 and 482,571.99 is: 723,606.68
Step by Step Solution
- Step 1: Write the proportion equation
1,292,853.82 : 1,938,607.46 = 482,571.99 : x - Step 2: Convert to fraction form
1,292,853.82/1,938,607.46 = 482,571.99/x - Step 3: Cross multiply
1,292,853.82x = 1,938,607.46 × 482,571.99 - Step 4: Simplify right side
1,292,853.82x = 935,517,659,801.05 - Step 5: Solve for x
x = 935,517,659,801.05/1,292,853.82 - Step 6: Final answer
x = 723,606.68
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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.