Finding the Fourth Proportional to 1,367,871.11, 1,887,759.87 and 756,010.70
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Solution
The fourth proportional to 1,367,871.11, 1,887,759.87 and 756,010.70 is: 1,043,348.78
Step by Step Solution
- Step 1: Write the proportion equation
1,367,871.11 : 1,887,759.87 = 756,010.70 : x - Step 2: Convert to fraction form
1,367,871.11/1,887,759.87 = 756,010.70/x - Step 3: Cross multiply
1,367,871.11x = 1,887,759.87 × 756,010.70 - Step 4: Simplify right side
1,367,871.11x = 1,427,166,655,555.87 - Step 5: Solve for x
x = 1,427,166,655,555.87/1,367,871.11 - Step 6: Final answer
x = 1,043,348.78
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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.