Finding the Fourth Proportional to 5,919,675.75, 8,169,152.55 and 3,203,421.75
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Solution
The fourth proportional to 5,919,675.75, 8,169,152.55 and 3,203,421.75 is: 4,420,722.02
Step by Step Solution
- Step 1: Write the proportion equation
5,919,675.75 : 8,169,152.55 = 3,203,421.75 : x - Step 2: Convert to fraction form
5,919,675.75/8,169,152.55 = 3,203,421.75/x - Step 3: Cross multiply
5,919,675.75x = 8,169,152.55 × 3,203,421.75 - Step 4: Simplify right side
5,919,675.75x = 26,169,240,957,737.96 - Step 5: Solve for x
x = 26,169,240,957,737.96/5,919,675.75 - Step 6: Final answer
x = 4,420,722.02
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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.