Finding the Fourth Proportional to 5,068,863.23, 6,994,887.05 and 2,975,672.06
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Solution
The fourth proportional to 5,068,863.23, 6,994,887.05 and 2,975,672.06 is: 4,106,342.79
Step by Step Solution
- Step 1: Write the proportion equation
5,068,863.23 : 6,994,887.05 = 2,975,672.06 : x - Step 2: Convert to fraction form
5,068,863.23/6,994,887.05 = 2,975,672.06/x - Step 3: Cross multiply
5,068,863.23x = 6,994,887.05 × 2,975,672.06 - Step 4: Simplify right side
5,068,863.23x = 20,814,489,942,662.46 - Step 5: Solve for x
x = 20,814,489,942,662.46/5,068,863.23 - Step 6: Final answer
x = 4,106,342.79
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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.