Finding the Fourth Proportional to 1,395,490.47, 2,093,243.45 and 496,967.19
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Solution
The fourth proportional to 1,395,490.47, 2,093,243.45 and 496,967.19 is: 745,453.54
Step by Step Solution
- Step 1: Write the proportion equation
1,395,490.47 : 2,093,243.45 = 496,967.19 : x - Step 2: Convert to fraction form
1,395,490.47/2,093,243.45 = 496,967.19/x - Step 3: Cross multiply
1,395,490.47x = 2,093,243.45 × 496,967.19 - Step 4: Simplify right side
1,395,490.47x = 1,040,273,312,847.57 - Step 5: Solve for x
x = 1,040,273,312,847.57/1,395,490.47 - Step 6: Final answer
x = 745,453.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.