Finding the Fourth Proportional to 1,943,905.27, 2,681,674.81 and 1,264,593.91
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Solution
The fourth proportional to 1,943,905.27, 2,681,674.81 and 1,264,593.91 is: 1,744,544.70
Step by Step Solution
- Step 1: Write the proportion equation
1,943,905.27 : 2,681,674.81 = 1,264,593.91 : x - Step 2: Convert to fraction form
1,943,905.27/2,681,674.81 = 1,264,593.91/x - Step 3: Cross multiply
1,943,905.27x = 2,681,674.81 × 1,264,593.91 - Step 4: Simplify right side
1,943,905.27x = 3,391,229,633,326.41 - Step 5: Solve for x
x = 3,391,229,633,326.41/1,943,905.27 - Step 6: Final answer
x = 1,744,544.70
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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.