Finding the Fourth Proportional to 1,728,951.41, 2,385,855.87 and 965,054.18
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Solution
The fourth proportional to 1,728,951.41, 2,385,855.87 and 965,054.18 is: 1,331,720.58
Step by Step Solution
- Step 1: Write the proportion equation
1,728,951.41 : 2,385,855.87 = 965,054.18 : x - Step 2: Convert to fraction form
1,728,951.41/2,385,855.87 = 965,054.18/x - Step 3: Cross multiply
1,728,951.41x = 2,385,855.87 × 965,054.18 - Step 4: Simplify right side
1,728,951.41x = 2,302,480,180,221.04 - Step 5: Solve for x
x = 2,302,480,180,221.04/1,728,951.41 - Step 6: Final answer
x = 1,331,720.58
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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.