Finding the Fourth Proportional to 5,267,613.42, 7,901,362.53 and 1,278,525.42
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Solution
The fourth proportional to 5,267,613.42, 7,901,362.53 and 1,278,525.42 is: 1,917,774.15
Step by Step Solution
- Step 1: Write the proportion equation
5,267,613.42 : 7,901,362.53 = 1,278,525.42 : x - Step 2: Convert to fraction form
5,267,613.42/7,901,362.53 = 1,278,525.42/x - Step 3: Cross multiply
5,267,613.42x = 7,901,362.53 × 1,278,525.42 - Step 4: Simplify right side
5,267,613.42x = 10,102,092,847,240.51 - Step 5: Solve for x
x = 10,102,092,847,240.51/5,267,613.42 - Step 6: Final answer
x = 1,917,774.15
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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.