Finding the Fourth Proportional to 5,138,353.26, 7,709,250.53 and 1,680,252.42
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Solution
The fourth proportional to 5,138,353.26, 7,709,250.53 and 1,680,252.42 is: 2,520,941.29
Step by Step Solution
- Step 1: Write the proportion equation
5,138,353.26 : 7,709,250.53 = 1,680,252.42 : x - Step 2: Convert to fraction form
5,138,353.26/7,709,250.53 = 1,680,252.42/x - Step 3: Cross multiply
5,138,353.26x = 7,709,250.53 × 1,680,252.42 - Step 4: Simplify right side
5,138,353.26x = 12,953,486,892,529.10 - Step 5: Solve for x
x = 12,953,486,892,529.10/5,138,353.26 - Step 6: Final answer
x = 2,520,941.29
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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.