Finding the Fourth Proportional to 3,425,286.16, 5,117,096.18 and 2,217,368.08
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Solution
The fourth proportional to 3,425,286.16, 5,117,096.18 and 2,217,368.08 is: 3,312,565.78
Step by Step Solution
- Step 1: Write the proportion equation
3,425,286.16 : 5,117,096.18 = 2,217,368.08 : x - Step 2: Convert to fraction form
3,425,286.16/5,117,096.18 = 2,217,368.08/x - Step 3: Cross multiply
3,425,286.16x = 5,117,096.18 × 2,217,368.08 - Step 4: Simplify right side
3,425,286.16x = 11,346,485,731,821.93 - Step 5: Solve for x
x = 11,346,485,731,821.93/3,425,286.16 - Step 6: Final answer
x = 3,312,565.78
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.