Finding the Fourth Proportional to 2,539,572.20, 3,504,737.22 and 1,393,643.24
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Solution
The fourth proportional to 2,539,572.20, 3,504,737.22 and 1,393,643.24 is: 1,923,297.69
Step by Step Solution
- Step 1: Write the proportion equation
2,539,572.20 : 3,504,737.22 = 1,393,643.24 : x - Step 2: Convert to fraction form
2,539,572.20/3,504,737.22 = 1,393,643.24/x - Step 3: Cross multiply
2,539,572.20x = 3,504,737.22 × 1,393,643.24 - Step 4: Simplify right side
2,539,572.20x = 4,884,353,334,629.39 - Step 5: Solve for x
x = 4,884,353,334,629.39/2,539,572.20 - Step 6: Final answer
x = 1,923,297.69
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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.