Finding the Fourth Proportional to 4,660,716.64, 6,983,953.20 and 3,138,772
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Solution
The fourth proportional to 4,660,716.64, 6,983,953.20 and 3,138,772 is: 4,703,361.83
Step by Step Solution
- Step 1: Write the proportion equation
4,660,716.64 : 6,983,953.20 = 3,138,772 : x - Step 2: Convert to fraction form
4,660,716.64/6,983,953.20 = 3,138,772/x - Step 3: Cross multiply
4,660,716.64x = 6,983,953.20 × 3,138,772 - Step 4: Simplify right side
4,660,716.64x = 21,921,036,753,470.40 - Step 5: Solve for x
x = 21,921,036,753,470.40/4,660,716.64 - Step 6: Final answer
x = 4,703,361.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.