Finding the Fourth Proportional to 1,536,063.49, 2,119,887.87 and 847,872.01
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Solution
The fourth proportional to 1,536,063.49, 2,119,887.87 and 847,872.01 is: 1,170,129.75
Step by Step Solution
- Step 1: Write the proportion equation
1,536,063.49 : 2,119,887.87 = 847,872.01 : x - Step 2: Convert to fraction form
1,536,063.49/2,119,887.87 = 847,872.01/x - Step 3: Cross multiply
1,536,063.49x = 2,119,887.87 × 847,872.01 - Step 4: Simplify right side
1,536,063.49x = 1,797,393,589,311.52 - Step 5: Solve for x
x = 1,797,393,589,311.52/1,536,063.49 - Step 6: Final answer
x = 1,170,129.75
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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.