Finding the Fourth Proportional to 2,915,283.72, 4,373,771.66 and 1,209,114.12
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Solution
The fourth proportional to 2,915,283.72, 4,373,771.66 and 1,209,114.12 is: 1,814,022.09
Step by Step Solution
- Step 1: Write the proportion equation
2,915,283.72 : 4,373,771.66 = 1,209,114.12 : x - Step 2: Convert to fraction form
2,915,283.72/4,373,771.66 = 1,209,114.12/x - Step 3: Cross multiply
2,915,283.72x = 4,373,771.66 × 1,209,114.12 - Step 4: Simplify right side
2,915,283.72x = 5,288,389,071,761.84 - Step 5: Solve for x
x = 5,288,389,071,761.84/2,915,283.72 - Step 6: Final answer
x = 1,814,022.09
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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.