Finding the Fourth Proportional to 2,539,134.10, 3,503,887.81 and 1,393,185.94
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Solution
The fourth proportional to 2,539,134.10, 3,503,887.81 and 1,393,185.94 is: 1,922,532.26
Step by Step Solution
- Step 1: Write the proportion equation
2,539,134.10 : 3,503,887.81 = 1,393,185.94 : x - Step 2: Convert to fraction form
2,539,134.10/3,503,887.81 = 1,393,185.94/x - Step 3: Cross multiply
2,539,134.10x = 3,503,887.81 × 1,393,185.94 - Step 4: Simplify right side
2,539,134.10x = 4,881,567,232,229.39 - Step 5: Solve for x
x = 4,881,567,232,229.39/2,539,134.10 - Step 6: Final answer
x = 1,922,532.26
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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.