Finding the Fourth Proportional to 5,928,218.79, 8,177,786.22 and 3,605,821.62
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Solution
The fourth proportional to 5,928,218.79, 8,177,786.22 and 3,605,821.62 is: 4,974,114.38
Step by Step Solution
- Step 1: Write the proportion equation
5,928,218.79 : 8,177,786.22 = 3,605,821.62 : x - Step 2: Convert to fraction form
5,928,218.79/8,177,786.22 = 3,605,821.62/x - Step 3: Cross multiply
5,928,218.79x = 8,177,786.22 × 3,605,821.62 - Step 4: Simplify right side
5,928,218.79x = 29,487,638,355,814.08 - Step 5: Solve for x
x = 29,487,638,355,814.08/5,928,218.79 - Step 6: Final answer
x = 4,974,114.38
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1.5x scale
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.