Finding the Fourth Proportional to 1,723,603.12, 2,378,481.14 and 988,519.48
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Solution
The fourth proportional to 1,723,603.12, 2,378,481.14 and 988,519.48 is: 1,364,104.60
Step by Step Solution
- Step 1: Write the proportion equation
1,723,603.12 : 2,378,481.14 = 988,519.48 : x - Step 2: Convert to fraction form
1,723,603.12/2,378,481.14 = 988,519.48/x - Step 3: Cross multiply
1,723,603.12x = 2,378,481.14 × 988,519.48 - Step 4: Simplify right side
1,723,603.12x = 2,351,174,939,702.61 - Step 5: Solve for x
x = 2,351,174,939,702.61/1,723,603.12 - Step 6: Final answer
x = 1,364,104.60
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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.