Finding the Fourth Proportional to 1,328,979.36, 1,836,390.51 and 946,341.84
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Solution
The fourth proportional to 1,328,979.36, 1,836,390.51 and 946,341.84 is: 1,307,660.02
Step by Step Solution
- Step 1: Write the proportion equation
1,328,979.36 : 1,836,390.51 = 946,341.84 : x - Step 2: Convert to fraction form
1,328,979.36/1,836,390.51 = 946,341.84/x - Step 3: Cross multiply
1,328,979.36x = 1,836,390.51 × 946,341.84 - Step 4: Simplify right side
1,328,979.36x = 1,737,853,174,191.94 - Step 5: Solve for x
x = 1,737,853,174,191.94/1,328,979.36 - Step 6: Final answer
x = 1,307,660.02
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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.