Finding the Fourth Proportional to 3,154,757.12, 4,353,566.64 and 1,704,452.12
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Solution
The fourth proportional to 3,154,757.12, 4,353,566.64 and 1,704,452.12 is: 2,352,144.91
Step by Step Solution
- Step 1: Write the proportion equation
3,154,757.12 : 4,353,566.64 = 1,704,452.12 : x - Step 2: Convert to fraction form
3,154,757.12/4,353,566.64 = 1,704,452.12/x - Step 3: Cross multiply
3,154,757.12x = 4,353,566.64 × 1,704,452.12 - Step 4: Simplify right side
3,154,757.12x = 7,420,445,889,109.28 - Step 5: Solve for x
x = 7,420,445,889,109.28/3,154,757.12 - Step 6: Final answer
x = 2,352,144.91
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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.