Finding the Fourth Proportional to 1,762,438.80, 2,643,744.60 and 922,630.80
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Solution
The fourth proportional to 1,762,438.80, 2,643,744.60 and 922,630.80 is: 1,383,991.43
Step by Step Solution
- Step 1: Write the proportion equation
1,762,438.80 : 2,643,744.60 = 922,630.80 : x - Step 2: Convert to fraction form
1,762,438.80/2,643,744.60 = 922,630.80/x - Step 3: Cross multiply
1,762,438.80x = 2,643,744.60 × 922,630.80 - Step 4: Simplify right side
1,762,438.80x = 2,439,200,195,293.68 - Step 5: Solve for x
x = 2,439,200,195,293.68/1,762,438.80 - Step 6: Final answer
x = 1,383,991.43
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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.