Finding the Fourth Proportional to 4,817,527.32, 6,647,708.70 and 2,780,992.92
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Solution
The fourth proportional to 4,817,527.32, 6,647,708.70 and 2,780,992.92 is: 3,837,493.72
Step by Step Solution
- Step 1: Write the proportion equation
4,817,527.32 : 6,647,708.70 = 2,780,992.92 : x - Step 2: Convert to fraction form
4,817,527.32/6,647,708.70 = 2,780,992.92/x - Step 3: Cross multiply
4,817,527.32x = 6,647,708.70 × 2,780,992.92 - Step 4: Simplify right side
4,817,527.32x = 18,487,230,828,922.40 - Step 5: Solve for x
x = 18,487,230,828,922.40/4,817,527.32 - Step 6: Final answer
x = 3,837,493.72
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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.