Finding the Fourth Proportional to 3,222,544.57, 4,447,022.68 and 1,772,239.97
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Solution
The fourth proportional to 3,222,544.57, 4,447,022.68 and 1,772,239.97 is: 2,445,642.31
Step by Step Solution
- Step 1: Write the proportion equation
3,222,544.57 : 4,447,022.68 = 1,772,239.97 : x - Step 2: Convert to fraction form
3,222,544.57/4,447,022.68 = 1,772,239.97/x - Step 3: Cross multiply
3,222,544.57x = 4,447,022.68 × 1,772,239.97 - Step 4: Simplify right side
3,222,544.57x = 7,881,191,340,992.52 - Step 5: Solve for x
x = 7,881,191,340,992.52/3,222,544.57 - Step 6: Final answer
x = 2,445,642.31
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1.5x scale
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.