Finding the Fourth Proportional to 3,998,525.71, 5,512,226.28 and 2,850,613.15
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Solution
The fourth proportional to 3,998,525.71, 5,512,226.28 and 2,850,613.15 is: 3,929,754.58
Step by Step Solution
- Step 1: Write the proportion equation
3,998,525.71 : 5,512,226.28 = 2,850,613.15 : x - Step 2: Convert to fraction form
3,998,525.71/5,512,226.28 = 2,850,613.15/x - Step 3: Cross multiply
3,998,525.71x = 5,512,226.28 × 2,850,613.15 - Step 4: Simplify right side
3,998,525.71x = 15,713,224,719,543.58 - Step 5: Solve for x
x = 15,713,224,719,543.58/3,998,525.71 - Step 6: Final answer
x = 3,929,754.58
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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.