Finding the Fourth Proportional to 3,815,715.39, 5,260,425.08 and 3,043,965.03
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Solution
The fourth proportional to 3,815,715.39, 5,260,425.08 and 3,043,965.03 is: 4,196,473.88
Step by Step Solution
- Step 1: Write the proportion equation
3,815,715.39 : 5,260,425.08 = 3,043,965.03 : x - Step 2: Convert to fraction form
3,815,715.39/5,260,425.08 = 3,043,965.03/x - Step 3: Cross multiply
3,815,715.39x = 5,260,425.08 × 3,043,965.03 - Step 4: Simplify right side
3,815,715.39x = 16,012,549,971,235.13 - Step 5: Solve for x
x = 16,012,549,971,235.13/3,815,715.39 - Step 6: Final answer
x = 4,196,473.88
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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.