Finding the Fourth Proportional to 1,689,859.40, 2,332,099.35 and 964,939.97
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Solution
The fourth proportional to 1,689,859.40, 2,332,099.35 and 964,939.97 is: 1,331,670.49
Step by Step Solution
- Step 1: Write the proportion equation
1,689,859.40 : 2,332,099.35 = 964,939.97 : x - Step 2: Convert to fraction form
1,689,859.40/2,332,099.35 = 964,939.97/x - Step 3: Cross multiply
1,689,859.40x = 2,332,099.35 × 964,939.97 - Step 4: Simplify right side
1,689,859.40x = 2,250,335,882,656.27 - Step 5: Solve for x
x = 2,250,335,882,656.27/1,689,859.40 - Step 6: Final answer
x = 1,331,670.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.