Finding the Fourth Proportional to 4,629,180.60, 6,388,372.12 and 2,642,276.07
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Solution
The fourth proportional to 4,629,180.60, 6,388,372.12 and 2,642,276.07 is: 3,646,399.70
Step by Step Solution
- Step 1: Write the proportion equation
4,629,180.60 : 6,388,372.12 = 2,642,276.07 : x - Step 2: Convert to fraction form
4,629,180.60/6,388,372.12 = 2,642,276.07/x - Step 3: Cross multiply
4,629,180.60x = 6,388,372.12 × 2,642,276.07 - Step 4: Simplify right side
4,629,180.60x = 16,879,842,751,881.42 - Step 5: Solve for x
x = 16,879,842,751,881.42/4,629,180.60 - Step 6: Final answer
x = 3,646,399.70
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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.