Finding the Fourth Proportional to 1,310,913.68, 1,809,328.84 and 827,152.92
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Solution
The fourth proportional to 1,310,913.68, 1,809,328.84 and 827,152.92 is: 1,141,640.11
Step by Step Solution
- Step 1: Write the proportion equation
1,310,913.68 : 1,809,328.84 = 827,152.92 : x - Step 2: Convert to fraction form
1,310,913.68/1,809,328.84 = 827,152.92/x - Step 3: Cross multiply
1,310,913.68x = 1,809,328.84 × 827,152.92 - Step 4: Simplify right side
1,310,913.68x = 1,496,591,633,246.21 - Step 5: Solve for x
x = 1,496,591,633,246.21/1,310,913.68 - Step 6: Final answer
x = 1,141,640.11
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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.