Finding the Fourth Proportional to 3,840,919.56, 5,298,126.57 and 2,463,799.68
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Solution
The fourth proportional to 3,840,919.56, 5,298,126.57 and 2,463,799.68 is: 3,398,540.99
Step by Step Solution
- Step 1: Write the proportion equation
3,840,919.56 : 5,298,126.57 = 2,463,799.68 : x - Step 2: Convert to fraction form
3,840,919.56/5,298,126.57 = 2,463,799.68/x - Step 3: Cross multiply
3,840,919.56x = 5,298,126.57 × 2,463,799.68 - Step 4: Simplify right side
3,840,919.56x = 13,053,522,547,765.50 - Step 5: Solve for x
x = 13,053,522,547,765.50/3,840,919.56 - Step 6: Final answer
x = 3,398,540.99
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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.