Finding the Fourth Proportional to 3,609,873.45, 4,983,889.92 and 2,322,950.31
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Solution
The fourth proportional to 3,609,873.45, 4,983,889.92 and 2,322,950.31 is: 3,207,128.67
Step by Step Solution
- Step 1: Write the proportion equation
3,609,873.45 : 4,983,889.92 = 2,322,950.31 : x - Step 2: Convert to fraction form
3,609,873.45/4,983,889.92 = 2,322,950.31/x - Step 3: Cross multiply
3,609,873.45x = 4,983,889.92 × 2,322,950.31 - Step 4: Simplify right side
3,609,873.45x = 11,577,328,634,669.88 - Step 5: Solve for x
x = 11,577,328,634,669.88/3,609,873.45 - Step 6: Final answer
x = 3,207,128.67
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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.