Finding the Fourth Proportional to 7,079,444.16, 10,619,135.84 and 1,961,859.36
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Solution
The fourth proportional to 7,079,444.16, 10,619,135.84 and 1,961,859.36 is: 2,942,780.62
Step by Step Solution
- Step 1: Write the proportion equation
7,079,444.16 : 10,619,135.84 = 1,961,859.36 : x - Step 2: Convert to fraction form
7,079,444.16/10,619,135.84 = 1,961,859.36/x - Step 3: Cross multiply
7,079,444.16x = 10,619,135.84 × 1,961,859.36 - Step 4: Simplify right side
7,079,444.16x = 20,833,251,042,815.46 - Step 5: Solve for x
x = 20,833,251,042,815.46/7,079,444.16 - Step 6: Final answer
x = 2,942,780.62
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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.