Finding the Fourth Proportional to 5,853,982.79, 8,780,924.92 and 4,575,665.49
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Solution
The fourth proportional to 5,853,982.79, 8,780,924.92 and 4,575,665.49 is: 6,863,459.73
Step by Step Solution
- Step 1: Write the proportion equation
5,853,982.79 : 8,780,924.92 = 4,575,665.49 : x - Step 2: Convert to fraction form
5,853,982.79/8,780,924.92 = 4,575,665.49/x - Step 3: Cross multiply
5,853,982.79x = 8,780,924.92 × 4,575,665.49 - Step 4: Simplify right side
5,853,982.79x = 40,178,575,115,285.85 - Step 5: Solve for x
x = 40,178,575,115,285.85/5,853,982.79 - Step 6: Final answer
x = 6,863,459.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.