Finding the Fourth Proportional to 1,689,862.40, 2,332,103.49 and 964,942.97
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Solution
The fourth proportional to 1,689,862.40, 2,332,103.49 and 964,942.97 is: 1,331,674.62
Step by Step Solution
- Step 1: Write the proportion equation
1,689,862.40 : 2,332,103.49 = 964,942.97 : x - Step 2: Convert to fraction form
1,689,862.40/2,332,103.49 = 964,942.97/x - Step 3: Cross multiply
1,689,862.40x = 2,332,103.49 × 964,942.97 - Step 4: Simplify right side
1,689,862.40x = 2,250,346,867,987.97 - Step 5: Solve for x
x = 2,250,346,867,987.97/1,689,862.40 - Step 6: Final answer
x = 1,331,674.62
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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.