Finding the Fourth Proportional to 5,701,565.75, 7,868,162.16 and 3,123,338.18
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Solution
The fourth proportional to 5,701,565.75, 7,868,162.16 and 3,123,338.18 is: 4,310,207.47
Step by Step Solution
- Step 1: Write the proportion equation
5,701,565.75 : 7,868,162.16 = 3,123,338.18 : x - Step 2: Convert to fraction form
5,701,565.75/7,868,162.16 = 3,123,338.18/x - Step 3: Cross multiply
5,701,565.75x = 7,868,162.16 × 3,123,338.18 - Step 4: Simplify right side
5,701,565.75x = 24,574,931,241,418.46 - Step 5: Solve for x
x = 24,574,931,241,418.46/5,701,565.75 - Step 6: Final answer
x = 4,310,207.47
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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.