Finding the Fourth Proportional to 4,630,474.82, 6,389,972.36 and 2,565,448.94
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Solution
The fourth proportional to 4,630,474.82, 6,389,972.36 and 2,565,448.94 is: 3,540,273.62
Step by Step Solution
- Step 1: Write the proportion equation
4,630,474.82 : 6,389,972.36 = 2,565,448.94 : x - Step 2: Convert to fraction form
4,630,474.82/6,389,972.36 = 2,565,448.94/x - Step 3: Cross multiply
4,630,474.82x = 6,389,972.36 × 2,565,448.94 - Step 4: Simplify right side
4,630,474.82x = 16,393,147,844,790.07 - Step 5: Solve for x
x = 16,393,147,844,790.07/4,630,474.82 - Step 6: Final answer
x = 3,540,273.62
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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.