Finding the Fourth Proportional to 1,780,197.40, 2,456,662.30 and 964,416.97
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Solution
The fourth proportional to 1,780,197.40, 2,456,662.30 and 964,416.97 is: 1,330,889.94
Step by Step Solution
- Step 1: Write the proportion equation
1,780,197.40 : 2,456,662.30 = 964,416.97 : x - Step 2: Convert to fraction form
1,780,197.40/2,456,662.30 = 964,416.97/x - Step 3: Cross multiply
1,780,197.40x = 2,456,662.30 × 964,416.97 - Step 4: Simplify right side
1,780,197.40x = 2,369,246,811,679.23 - Step 5: Solve for x
x = 2,369,246,811,679.23/1,780,197.40 - Step 6: Final answer
x = 1,330,889.94
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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.