Finding the Fourth Proportional to 4,716,782.15, 6,509,008.60 and 2,651,885.09
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Solution
The fourth proportional to 4,716,782.15, 6,509,008.60 and 2,651,885.09 is: 3,659,516.66
Step by Step Solution
- Step 1: Write the proportion equation
4,716,782.15 : 6,509,008.60 = 2,651,885.09 : x - Step 2: Convert to fraction form
4,716,782.15/6,509,008.60 = 2,651,885.09/x - Step 3: Cross multiply
4,716,782.15x = 6,509,008.60 × 2,651,885.09 - Step 4: Simplify right side
4,716,782.15x = 17,261,142,869,715.36 - Step 5: Solve for x
x = 17,261,142,869,715.36/4,716,782.15 - Step 6: Final answer
x = 3,659,516.66
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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.