Finding the Fourth Proportional to 1,545,744.58, 2,133,161.71 and 857,394.02
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Solution
The fourth proportional to 1,545,744.58, 2,133,161.71 and 857,394.02 is: 1,183,222.71
Step by Step Solution
- Step 1: Write the proportion equation
1,545,744.58 : 2,133,161.71 = 857,394.02 : x - Step 2: Convert to fraction form
1,545,744.58/2,133,161.71 = 857,394.02/x - Step 3: Cross multiply
1,545,744.58x = 2,133,161.71 × 857,394.02 - Step 4: Simplify right side
1,545,744.58x = 1,828,960,093,846.97 - Step 5: Solve for x
x = 1,828,960,093,846.97/1,545,744.58 - Step 6: Final answer
x = 1,183,222.71
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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.