Finding the Fourth Proportional to 3,146,663.80, 4,722,517.97 and 1,630,780.12
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Solution
The fourth proportional to 3,146,663.80, 4,722,517.97 and 1,630,780.12 is: 2,447,477.37
Step by Step Solution
- Step 1: Write the proportion equation
3,146,663.80 : 4,722,517.97 = 1,630,780.12 : x - Step 2: Convert to fraction form
3,146,663.80/4,722,517.97 = 1,630,780.12/x - Step 3: Cross multiply
3,146,663.80x = 4,722,517.97 × 1,630,780.12 - Step 4: Simplify right side
3,146,663.80x = 7,701,388,434,856.57 - Step 5: Solve for x
x = 7,701,388,434,856.57/3,146,663.80 - Step 6: Final answer
x = 2,447,477.37
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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.