Finding the Fourth Proportional to 3,876,212.60, 5,814,850.84 and 1,316,740.53
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Solution
The fourth proportional to 3,876,212.60, 5,814,850.84 and 1,316,740.53 is: 1,975,291.49
Step by Step Solution
- Step 1: Write the proportion equation
3,876,212.60 : 5,814,850.84 = 1,316,740.53 : x - Step 2: Convert to fraction form
3,876,212.60/5,814,850.84 = 1,316,740.53/x - Step 3: Cross multiply
3,876,212.60x = 5,814,850.84 × 1,316,740.53 - Step 4: Simplify right side
3,876,212.60x = 7,656,649,776,932.55 - Step 5: Solve for x
x = 7,656,649,776,932.55/3,876,212.60 - Step 6: Final answer
x = 1,975,291.49
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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.