Finding the Fourth Proportional to 2,589,940.80, 3,883,744.80 and 991,972.80
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Solution
The fourth proportional to 2,589,940.80, 3,883,744.80 and 991,972.80 is: 1,487,512.46
Step by Step Solution
- Step 1: Write the proportion equation
2,589,940.80 : 3,883,744.80 = 991,972.80 : x - Step 2: Convert to fraction form
2,589,940.80/3,883,744.80 = 991,972.80/x - Step 3: Cross multiply
2,589,940.80x = 3,883,744.80 × 991,972.80 - Step 4: Simplify right side
2,589,940.80x = 3,852,569,203,741.44 - Step 5: Solve for x
x = 3,852,569,203,741.44/2,589,940.80 - Step 6: Final answer
x = 1,487,512.46
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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.