Finding the Fourth Proportional to 2,631,302.62, 3,948,528.57 and 1,135,394.62
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Solution
The fourth proportional to 2,631,302.62, 3,948,528.57 and 1,135,394.62 is: 1,703,771.38
Step by Step Solution
- Step 1: Write the proportion equation
2,631,302.62 : 3,948,528.57 = 1,135,394.62 : x - Step 2: Convert to fraction form
2,631,302.62/3,948,528.57 = 1,135,394.62/x - Step 3: Cross multiply
2,631,302.62x = 3,948,528.57 × 1,135,394.62 - Step 4: Simplify right side
2,631,302.62x = 4,483,138,081,165.24 - Step 5: Solve for x
x = 4,483,138,081,165.24/2,631,302.62 - Step 6: Final answer
x = 1,703,771.38
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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.