Finding the Fourth Proportional to 5,872,021.16, 8,103,372.35 and 3,258,919.62
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Solution
The fourth proportional to 5,872,021.16, 8,103,372.35 and 3,258,919.62 is: 4,497,299.72
Step by Step Solution
- Step 1: Write the proportion equation
5,872,021.16 : 8,103,372.35 = 3,258,919.62 : x - Step 2: Convert to fraction form
5,872,021.16/8,103,372.35 = 3,258,919.62/x - Step 3: Cross multiply
5,872,021.16x = 8,103,372.35 × 3,258,919.62 - Step 4: Simplify right side
5,872,021.16x = 26,408,239,123,285.91 - Step 5: Solve for x
x = 26,408,239,123,285.91/5,872,021.16 - Step 6: Final answer
x = 4,497,299.72
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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.